Compatible with Seiko 5 Sports 40mm SRPE series (select)
SX2B Rubber Band Compatible with Seiko 5 Sports
Integrated rubber strap Compatible with Seiko 5 Sports 40mm SRPE series — curved-end elastomer for the new 40mm 5 Sports case. White-label only; independent of SAP1A Alpinist listing.
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 $60.00 (white-label at peer SX2B; SKU draft field only; global price policy untouched)
Not sure about fit? Try Fit Finder
Highlights
- SX2B-style rubber — Compatible with Seiko 5 Sports 40mm
- Curved-end elastomer for SRPE geometry
- 20mm traditional lug (select)
- Third-party accessory — competitor trademarks not used in customer copy
- Independent of SAP1A Alpinist SKU
- 1-year warranty when the listing goes live
Built for the day
SRPE
Fit
Curved ends.
Navy
Rubber
5 Sports look.
20mm
Lug
40mm case.
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
FKM / rubber elastomer.
Ends
Curved end for SRPE.
Buckle
Stainless buckle (select).
Sizing & Fit
Lug
20mm Seiko 5 Sports 40mm geometry.
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) |
|---|---|---|---|
| 20mm Seiko 5 Sports 40mm | SRPE | S–L | S–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× SX2B-style rubber band
- Fit note (English)
Product photos show a typical concept layout. Final colors may vary within the stated assortment.
Care
Rinse after sweat; mild soap OK. Air dry.
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 an official Seiko® product?
Is this a third-party brand product?
Does this fit Seiko Alpinist?
Can I buy this today?
What about returns / warranty?
Trademark notice
Seiko name appears only for compatibility. WatchGearLab is not affiliated with Seiko.