Citizen Mini Tsuyosa 60 Automatic 37mm NK0030-51E
4 interest free payments of $249.75
The Citizen TSUYOSA 60 37mm NK0030-51E is the one we've come to call the Mini TSUYOSA — the same watch as its 40mm sibling, shrunk to the proportion most people were actually waiting for. The silver-tone stainless steel case measures 37mm, and the sunray black dial inside it is finely machined so light travels outward from the centre as the wrist turns, lifting from near-solid black in shadow to a soft charcoal sheen in daylight.
A date window sits at three o'clock, applied metal details catch the same light, and an anti-reflective sapphire crystal covers it all, chosen for scratch resistance mineral glass can't match. The seamlessly integrated five-link bracelet flows straight out of the case with no visible lugs, closing on a fold-over clasp with push buttons.
Nothing has been given up to make it smaller. Inside is Citizen's calibre 8310 automatic — a mechanical movement wound by the motion of your arm, with no battery to replace at any point in its life. The 60-hour power reserve is what the "60" refers to, and it changes how the watch fits a week: take it off Friday evening and it will still be running Monday morning. A hacking seconds function stops the seconds hand when the crown is pulled so the time can be set precisely, and the watch is water resistant to 50 metres for still-water swimming. This is a 37mm automatic watch with an integrated steel bracelet and sapphire crystal for someone who wants genuine Japanese mechanical watchmaking in a classically sized, unisex case — restrained enough for the office, modern enough for the weekend, and backed by Citizen's five-year limited warranty.
What we love about this watch: The integrated-bracelet sports watch is the most copied design in the industry, and almost every version of it arrives oversized. The Mini TSUYOSA NK0030-51E is the rare one that doesn't — same sapphire crystal, same 60-hour automatic movement, same seamless bracelet as the 40mm, at a size that suits a normal wrist. The sunray black dial is the sleeper feature: it photographs as plain black and reveals itself in person, which is exactly the right way round.
Ships in 1-3 Business Days from Sydney with Australia Post Express. Sydney customers can pick up on the same day from our Alexandria showroom an hour after placing the order by choosing Click & Collect as the delivery option.
5 Year warranty from Citizen Watches (Australia). StarBuy are Authorised distributors of Citizen Watches. All Citizen Watches are shipped in Citizen original packaging released for Australia. All Citizen warranties are registered online on the Citizen Warranty Portal directly by StarBuy on behalf of the customer. After purchase and shipping by StarBuy, an email is sent by Citizen registering the warranty directly to the buyer. A link to the online instructions manual is also sent within the email. Citizen no longer supply any hard copies of the warranty booklet or the instructions manual.
Specification
Case
- Case Diameter (mm) 37mm
- Case Thickness (mm) 11.5mm
- Lug-to-Lug (mm) 44mm
- Lug Width (mm) 9mm
- Case Material Stainless Steel
- Case Shape Round
- Case Back Type See Through Case Back
- Glass Type Sapphire Crystal
- AR Coating Anti Reflective Sapphire Crystal
- Water Resistance (m) 50
- Bezel Material Stainless Steel
- Bezel Type Fixed
Bracelet / Strap
- Material Stainless Steel
- Type Bracelet
- Interchangeable? Yes
- Clasp Foldover Clasp
- Clasp Type Push Button
Dial
- Colour Black
- Calendar Date
- Finish Guilloché (engine-turned) Dial
- Indices Type Batons
Delivery
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How and when will my StarBuy order be shipped?
We ship all orders via Australia Post Express for fast and reliable delivery. We aim to dispatch every order as quickly as possible—typically within 1–3 business days. You'll receive a confirmation email with tracking details as soon as your order ships. -
Can StarBuy guarantee delivery dates?
While Australia Post Express is generally reliable, their delivery dates are estimates only and may vary, especially during busy periods. We appreciate your understanding if your parcel takes a little longer to arrive. -
Will I need to sign for my order?
Yes, a signature is required upon delivery. If no one is home, we recommend using a work address. Australia Post may offer contactless delivery—in those cases, we follow their current safety protocols. Risk and ownership transfer to the recipient upon delivery. -
What if I am not home when my order arrives?
If no one is available to sign, Australia Post will leave a card with details on how to collect your parcel from the closest authorised Australia Post Office. You’ll need to present a photo ID at the post office to pick it up. If you’ve authorised a Safe Drop with Australia Post previously, they’ll follow your existing instructions. -
Will I get a Shipping Notification?
Absolutely! As soon as your order is on its way, you’ll receive an email with tracking details. We kindly ask for your patience—tracking updates may take up to 3 business days after ordering. -
What are your shipping charges?
We offer free shipping Australia-wide with Australia Post Express. For approved brands shipped to New Zealand, a $10 flat fee will be added to your total at checkout. Approved parcels to NZ are shipped within the Australia Post / NZ Post network. -
Click & Collect?
Prefer a quicker pick-up? Our Click & Collect service makes it easy.
Pickup Location:
StarBuy
Suite 23, 112 McEvoy Street
Alexandria NSW 2015Hours:
Monday–Friday: 10am–5pm
Saturday: 9am–12pmHow it works - Your order will be ready for pickup within an hour during business hours (unless otherwise notified). If someone else is collecting on your behalf, just email us their name—they’ll need to show ID at pickup.
FAQ
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Are all items in stock?
StarBuy products for sale on the website are always live and accurate. All items marked ‘In Stock’ are physically in stock with us. Items marked ‘Out of Stock’ are completely sold out. In rare instances where additional items are ordered and the items are being shipped to StarBuy, a specific note will be made on the product page.
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How can I be sure your products are authentic?
We guarantee that all of the products we sell on StarBuy- Are brand new
- Are 100% genuine - manufactured by the named brands, in keeping with their high quality standards.
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Is a tax invoice included with my order?
All orders have an automated invoice emailed to the email address on the order. All items listed on our website are GST inclusive. The invoice clearly shows the GST charged on the purchase as well as our name and ABN number.
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Can an item be reserved or put on hold?
Unfortunately due to the model adopted by StarBuy, we are unable to reserve or put an item on hold. Items on sale are limited in quantity and often sell out quickly.
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Why are StarBuy prices low?
StarBuy is a low cost discount website that buys items in bulk and offers them at the lowest possible prices. We keep our costs low by automating most back office processes to keep our prices world competitive. We ensure that you benefit by buying quality brands at low prices from StarBuy and come back to save money again and again.
Choose options
4 interest free payments of $249.75
Specifications
- Case Diameter (mm) 37mm
- Case Thickness (mm) 11.5mm
- Lug-to-Lug (mm) 44mm
- Lug Width (mm) 9mm
- Case Material Stainless Steel
- Case Shape Round
- Case Back Type See Through Case Back
- Glass Type Sapphire Crystal
- AR Coating Anti Reflective Sapphire Crystal
- Water Resistance (m) 50
- Bezel Material Stainless Steel
- Bezel Type Fixed
- Material Stainless Steel
- Type Bracelet
- Interchangeable? Yes
- Clasp Foldover Clasp
- Clasp Type Push Button
- Colour Black
- Calendar Date
- Finish Guilloché (engine-turned) Dial
- Indices Type Batons
- Type Automatic
- In House? Citizen In House Movement
- Calibre 8310
- Beat Rate (vph) 21600 vph
- Jewels 21
- Movement Hacking? Yes
- Hand Winding? Yes
- Self Winding? Yes
- Power Reserve (days) 2.5 days
- Accuracy -20 to +40 Seconds per Day
- Reference NK0030-51E
- GTIN 4974374353146
- Display Analog
- Gender Unisex
- Age Group Adults
- Weight (g) 124g (Approximate)
- Shipping Period 1-3 Business Days - Sydney
- Brand Citizen
- Authorised Dealer Yes
- Warranty Period Citizen 5 Year
- Warranty Registration Online by Starbuy
- Warranty Provider Citizen Watches Australia
- Packaging Citizen Official Packaging
- Manual Citizen Online
- Service Centre Citizen - Sydney
Reviews
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Frequently Asked Questions
What is the Mini TSUYOSA, and how is it different from the standard TSUYOSA 60?
Mini is our shorthand for the 37mm version, reference NK0030-51E — Citizen's own name for it is TSUYOSA 60 37mm. The difference from the 40mm models is case size and finish: the Mini is 37mm in silver-tone steel with a black sunray dial and a fold-over clasp, where the 40mm references include two-tone silver and gold-tone versions with a deployment clasp. Everything mechanical is identical across both — calibre 8310 automatic, 60-hour power reserve, hacking seconds, date at three, sapphire crystal, 50m water resistance and the integrated five-link bracelet.
Is a 37mm watch too small for a man?
No — 37mm is a traditional men's case size, and it has returned to favour as the oversized trend has receded. The integrated bracelet helps here: because it flows straight out of the case rather than sitting below separate lugs, the watch occupies more of the wrist than the diameter alone suggests. It's the most genuinely unisex size in this line, which is why TSUYOSA appears in both Citizen's men's and women's collections.
Can you change the bracelet on the TSUYOSA 60?
Not easily. The bracelet is integrated, meaning it's designed to flow directly into the case rather than attaching between conventional lugs, so there's no standard lug width to fit an off-the-shelf strap to. Treat the bracelet as part of the watch rather than a component you'll swap — it's the trade-off that comes with the integrated design, and it's also what gives the watch its clean profile.