Compatible with Seiko 5 Sports 5KX / GMT (select)
SX1A Rubber Band Compatible with Seiko 5KX & GMT
SX1A black rubber strap for Seiko 5 Sports 5KX and GMT — select lug fit.
Stock: 0 · Not in LIVE catalog · Checkout blocked for this SKU
Draft listing for Owner visual review. Gallery uses peer PDP product photos (logo-scrubbed). Coming soon — not sellable. Draft anchor $52.00 (white-label at peer SX1A Black Seiko 5KX/GMT; SKU draft field only; global price policy untouched)
Not sure about fit? Try Fit Finder
Highlights
- SX1A black rubber for Seiko 5 Sports 5KX / GMT
- Third-party accessory — competitor trademarks not used as our brand
- No competitor branding on customer copy
- 1-year warranty when the listing goes live
- Coming soon — not sellable
Built for the day
Strap
Rubber
Detail.
Buckle
Hardware
Close.
Fit
Wrist
Wear.
Compatibility
Designed as a third-party accessory. WatchGearLab is not affiliated with the watch brand named for compatibility.
Exact mold / lug mapping will be verified on sample units before this page goes live.
Materials & Construction
Strap
Rubber (select).
Buckle
Stainless buckle (select).
Finish
Black (select).
Sizing & Fit
Watch
Confirm Seiko 5KX / GMT lug fit when live.
Wrist
Confirm length when live.
Size Chart
Draft guide for Coming soon review. Hole count / magnetic travel and exact wrist ranges will be confirmed on sample units before this SKU goes live. Measure your wrist where the band sits, not over the watch case.
| Watch case | Select on this page | Approx. wrist (mm) | Approx. wrist (in) |
|---|---|---|---|
| Seiko 5KX / GMT Black | SX1A Rubber | S–M | M–L |
- Check your watch case size in Settings → General → About (or the case back).
- Choose the matching case-size pill above.
- If you are between lengths, prefer the larger case-size option when available — samples will lock final length.
Not sure? Try Fit Finder. Compatible with Apple Watch only — not Apple Official.
What's Included
- 1× SX1A Rubber Band for Seiko 5KX / GMT
- Fit note (English)
Product photos show a typical concept layout. Final colors may vary within the stated assortment.
Care
Wipe mild soap; air dry; avoid high heat and solvents.
Shipping & Returns
When this SKU launches: free US shipping on orders $35 or more. Standard delivery 5–8 business days. 30-day returns on unused items in original packaging. 1-year limited warranty on manufacturing defects.
Frequently Asked Questions
Is this a competitor-brand product?
Can I buy this today?
What about returns / warranty?
Trademark notice
WatchGearLab is not affiliated with Seiko Watch Corporation. Seiko is a trademark of its owner.