Seiko 5 Sports GMT Ref. SSK003 (Black Grape/Blueberry)
GMT/Travel Watch (Diver-style) · Seiko (Seiko Group). Positioned as a 'Value King' in the premium/affordable tier, known for durability and heritage.
Period: Modern Luxury-Sport (2022-present). It follows the 'Neo-Vintage' trend by utilizing the iconic SKX case silhouette with modern mechanical updates and a dual-tone aesthetic.
Type
GMT/Travel Watch (Diver-style)
Brand
Seiko (Seiko Group). Positioned as a 'Value King' in the premium/affordable tier, known for durability and heritage.
Movement
Automatic/Self-winding Caliber 4R34; 21,600 vph (3Hz); ~41-hour power reserve; 24 jewels. Features hacking and hand-winding.
Dimensions
42.5mm diameter; 13.6mm thickness; 46mm lug-to-lug; 22mm lug width. It wears smaller than 42.5mm due to short, curved lugs.
Description
The SSK003 represents Seiko's highly anticipated answer to the affordable GMT market. It revitalizes the legendary SKX case shape with a sophisticated blue sunray dial and a functional 24-hour bezel. It strikes a balance between a rugged tool watch and a polished travel companion, offering high-end features like a GMT complication at a fraction of typical Swiss prices.
Key Features
4-hand GMT movement, 4 o'clock crown, SKX-style case, two-tone Hardlex bezel insert, and the red GMT hand for high legibility.
Dial Description
Sunray Navy Blue dial with applied round/baton indices filled with LumiBrite. Featuring a red arrow GMT hand, Mercedes-style hour hand, and a date window with a magnifying cyclops lens.
Case Material
316L Stainless Steel with a mix of circular brushed finishing on the lug tops and high-polished sides.
Crystal Type
Hardlex Crystal (flat) with a magnifying cyclops lens over the date window at 3 o'clock.
Bezel Details
Bidirectional rotating friction-fit bezel with a Hardlex insert. Features a two-tone 'Batman' style (black and blue) 24-hour scale for tracking a second time zone.
Crown & Pushers
Push-pull crown positioned at the 4 o'clock mark for ergonomic comfort; knurled texture with no logo. No crown guards, though slightly recessed into the case.
Bracelet or Strap
Five-link stainless steel 'Jubilee' style bracelet with brushed outer links and polished center links. Folding clasp with secure lock and push-button release.
Caseback Details
Exhibition/display caseback with Hardlex crystal, allowing a view of the 4R34 movement. Features standard Seiko engravings and 10-bar water resistance rating.
Movement Type
Automatic/Self-winding Caliber 4R34; 21,600 vph (3Hz); ~41-hour power reserve; 24 jewels. Features hacking and hand-winding.
Water Resistance
100 Meters (10 Bar). Suitable for swimming and snorkeling, but not recommended for professional saturation diving due to the lack of a screw-down crown.
Origin & Provenance
Japan/Malaysia (Movement Japan-made/assembled in various regions). Utilizes an in-house manufacture movement.
Age Estimate
Circa 2022-2024. This model was launched in June 2022 as part of the new Seiko 5 Sports GMT line.
Cultural Significance
A milestone for 'budget' horology; it democratized the GMT complication and effectively replaced the discontinued SKX diver as the go-to recommendation for entry-level enthusiasts.
Condition Notes
The watch appears to be in Excellent/Mint condition. No visible scratches on the crystal or bezel; high-polish surfaces on the bracelet center links remain bright. Lume appears crisp and white.
Value Estimate
MSRP: $475. Secondary market: $300-$375 depending on box and papers.
Care & Maintenance
Service every 5-7 years. Ensure crown is fully pushed in before water exposure. Rinse with fresh water after salt exposure. Use a micro-fiber cloth for the polished bracelet links.
Similar Watches
Seiko SSK001 (Black dial), Tudor Black Bay GMT (Luxury alternative), Mido Ocean Star GMT (Swiss competitor).
Interesting Facts
The release of the SSK series was one of the biggest horological events of 2022 because it brought an 'Office GMT' complication to the sub-$500 price bracket using a reliable Seiko-manufactured movement.