Seiko 5 Sports GMT (SKX case)
The SKX-cased 5 Sports GMT with a green dial and green-and-black bezel. The 4R34 caliber adds an independently set 24-hour hand to the 4R36 base; Hardlex, 100 m, steel bracelet.
In stock · sold by Thompson's1924. Price as of November 3, 2026, 18:15 UTC.
2 versions of the Seiko 5 Sports GMT (SKX case)
Same case and movement, different dial, bezel or strap. Each line is its own Amazon listing with its own price today; the strap variants earn fewer spec points than the bracelet.
| Reference | Dial / strap | Strap | Spec pts | Price | Value Score | Sales rank | Buy |
|---|---|---|---|---|---|---|---|
SSK035 Best value | Green 'Sprite' bezel | Steel | 67 | $495.00third-party | 96 | #1,675 | Amazon |
 SSK017 | SSK017 colorway | Steel | 67 | — | — | #463 |
Amazon.com prices as of November 3, 2026, 18:15 UTC — details.
Will the Seiko 5 Sports GMT (SKX case) fit your wrist?
Enter your wrist circumference. The drawing scales the case (42.5 mm across, 46.5 mm lug-to-lug) against the flat top of a wrist that size, using the 3.6× lug-to-lug rule from our fit guide. Needs JavaScript; the rule itself is on the fit guide.
What you get
Published manufacturer specifications. Fields we could not verify are left out rather than guessed.
How the 67 spec points add up
Value Score = 100 × √(spec points per dollar ÷ the best ratio among automatic GMT watches in stock on Amazon today). Full methodology.
Comparisons with the Seiko 5 Sports GMT SSK035 'Sprite'
Questions about the Seiko 5 Sports GMT (SKX case)
How much does the Seiko 5 Sports GMT (SKX case) cost on Amazon?
What is the Value Score of the Seiko 5 Sports GMT (SKX case)?
What wrist size fits the Seiko 5 Sports GMT (SKX case)?
22 mm straps that fit the Seiko 5 Sports GMT (SKX case)
The lug width is 22 mm, so any 22 mm strap fits. These are the straps we list for that width; see the lug width chart for every size and the accessories page for winders, boxes and tools. Full picks with buying notes: Best 22 mm watch straps.
| Item | Kind | Lug width | Price | Buy |
|---|---|---|---|---|
 BISONSTRAP hand-stitched leather, quick release, 22 mm Entry-price leather with quick-release pins. | Leather strap | 22 mm | $14.99third-party | Amazon |
 Berfine oil-tanned pull-up leather, quick release, 22 mm Vintage-look pull-up leather. | Leather strap | 22 mm | $19.98third-party | Amazon |
 Archer military-style nylon, 22 mm, black Heavy nylon; fits Seiko 5 Sports and Kamasu. | Nylon / NATO strap | 22 mm | $19.99third-party | Amazon |
 ANNEFIT one-piece nylon, 22 mm One-piece pass-through strap; adds ~2 mm height. | Nylon / NATO strap | 22 mm | $12.99third-party | Amazon |
 StrapHabit FKM rubber, quick release, 22 mm Fluororubber; the usual replacement for the Casio Duro's resin strap. | Rubber strap | 22 mm | $38.95third-party | Amazon |
 WOCCI ventilated FKM rubber, 22 mm Vented FKM; cooler on the wrist in summer. | Rubber strap | 22 mm | $20.99third-party | Amazon |
 WOCCI 316L steel bracelet, double-locking clasp, 22 mm Inexpensive solid steel bracelet. | Steel bracelet | 22 mm | $28.99third-party | Amazon |
Amazon.com prices as of November 3, 2026, 18:15 UTC — details. Accessories have no Value Score; they are listed for fit, not ranked.
Guides that apply to this watch
- Ranked among watches under $500
- What the water-resistance rating actually permits
- Sapphire vs Hardlex vs mineral: what the crystal changes
- Lug width and strap sizing
- Will it fit your wrist? The lug-to-lug rule
- Automatic vs solar vs quartz: accuracy and running cost
- Watch gift guide by budget and recipient
- Buying a watch on Amazon: sellers, warranty, returns