Seiko 5 Sports GMT 42.5mm SSK057K

SEIKO 5 Sports Supercars Limited Edition Men’s Automatic GMT Watch SSK057K is a bold expression of precision engineering, motorsport heritage, and Seiko’s renowned craftsmanship. Designed within the iconic Seiko 5 Sports SKX series, this highly sought-after timepiece celebrates over a decade of partnership with the Supercars Championship.

Limited to just 1,500 pieces worldwide, it marks a historic milestone as the first GMT watch ever created for the championship. Combining robust construction, innovative functionality, and unmistakable racing-inspired aesthetics, this Seiko 5 Sports watch is built for collectors, enthusiasts, and those who appreciate high-performance horology.

Powered by the reliable Seiko Calibre 4R34 automatic movement, this men’s GMT watch delivers exceptional accuracy with a 41-hour power reserve and 24 jewels. The dual time (GMT) function allows you to track multiple time zones with ease, making it ideal for travel or following the Supercars calendar across Australia and New Zealand.

Crafted with a durable stainless steel case, Hardlex crystal, and 100 metres water resistance, the SSK057 is engineered for everyday wear while maintaining Seiko’s reputation for durability and reliability. The rotating bezel, Lumibrite hands and markers, and screw case back further reinforce its functional, high-quality design.

Inspired by the adrenaline of motorsport, the design of this Seiko 5 Sports watch features a striking carbon-fibre patterned dial paired with a premium leather strap. Racing red accents on the GMT hand, second hand, and inner chapter ring create a dynamic, high-impact look that reflects the energy of the track. Exclusive details such as the engraved Supercars logo on the crown and case back, along with individual serial numbering, enhance its collectability.

Each watch is presented in a specially designed collector’s box, complete with a Seiko Supercars pin, branded cleaning cloth, and an official certificate featuring all Supercars racetracks.

As part of the legendary Seiko 5 Sports Heritage, this limited edition timepiece embodies the core values of reliability, performance, and timeless design. Seiko’s commitment to in-house manufacturing excellence ensures every component meets the highest standards, making this watch not only a statement piece but a dependable companion for years to come.

What we love about the SEIKO 5 Sports Supercars Limited Edition Men’s Automatic GMT Watch SSK057K The SSK057 perfectly captures the spirit of motorsport with its first-ever Supercars GMT functionality, bold racing design, and exceptional build quality. It’s a rare blend of innovation and heritage, making it a standout collector’s piece for any serious watch enthusiast. Product Code: SSK057K

Orders are dispatched within 1–3 business days from Sydney via Australia Post Express for fast and reliable delivery. Customers located in Sydney may also enjoy the convenience of same‑day Click & Collect, with orders ready for pickup from our Alexandria showroom just one hour after purchase when this option is selected at checkout.

Every watch is covered by a 3‑year Seiko Australia warranty, providing complete peace of mind. StarBuy is an Authorised Seiko Distributor, and all watches are supplied in genuine Seiko original packaging. Warranties are registered online directly with Seiko, and following dispatch, Seiko will email you confirmation of your warranty registration along with a link to the online instruction manual. In line with Seiko’s current sustainability practices, printed warranty booklets and manuals are no longer supplied.

• 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.