Citizen C7 Series Automatic 40mm NH8390-20L

The Citizen NH8390-20L is a men's automatic watch that puts a mechanical movement on display without asking a mechanical price. The 40.2mm stainless steel case sits at a comfortable 13.1mm height and frames a deep blue dial with applied stroke indices and a day-date window at three o'clock, all protected by crystal glass.

Turn it over and the exhibition caseback reveals the rotor and gear train at work. A black leather strap on a 20mm lug width keeps the whole piece light at 67 grams and gives it a clean, dress-leaning look that still holds up in a pair of jeans.

Inside is Citizen's calibre 8200, a 21-jewel Japanese automatic movement that winds itself from the motion of your wrist and runs for around 40 hours when fully wound, with an accuracy of roughly ±20 seconds a day. It's the same self-winding calibre Citizen has refined for decades, which is exactly why it's a sensible first automatic watch or a low-fuss daily wearer for anyone who wants a mechanical movement without the maintenance anxiety.

Water resistant to 5 bar (50 metres), it handles rain, hand-washing and the occasional splash. Wear it to the office, to dinner, and on the weekend without changing it — a men's blue dial automatic watch this versatile rarely needs a second thought.

What we love about this watch: The NH8390-20L is the automatic that proves you don't need to spend big to own something genuinely mechanical. The blue dial has real depth in daylight, the day-date is practical rather than decorative, and that see-through caseback turns every glance at the wrist into a small reminder of why automatics are worth having. Add Citizen's Japanese reliability and a 5-year warranty from Citizen Watches Australia, and it's one of the smartest entry points into mechanical watches we sell.

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. 

• 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 2015 

  Hours:
  Monday–Friday: 10am–5pm
  Saturday: 9am–12pm  

  How 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.

• 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.
  
  

• How can I be sure your products are authentic?

  We guarantee that all of the products we sell on StarBuy

  1. Are brand new
  2. Are 100% genuine - manufactured by the named brands, in keeping with their high quality standards.

  The only thing that’s different are the low prices.
  
  

• 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.
  
  

• 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.
  
  

• 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.