Compatible with 21 mm watches (deployment clasp)
FKM33 Black Rubber Deployment Band 21 mm
FKM33 black fluoroelastomer strap with deployment clasp — 21 mm. Independent of FKM28 QR / FKM32 deploy / FKM34 deploy listings.
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 $59.99 (white-label at peer FKM33; SKU draft field only; global price policy untouched)
Not sure about fit? Try Fit Finder
Highlights
- FKM33 black rubber — 21 mm with deployment clasp
- Fluoroelastomer (FKM) compound (select)
- Independent of FKM28 QR / FKM32 / FKM34 deploy series
- Third-party accessory — competitor trademarks not used in customer copy
- Deployment clasp hardware (select)
- 1-year warranty when the listing goes live
Built for the day
FKM33
Deploy
Clasp.
21 mm
Rubber
Fit.
Black
Finish
Hardware.
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 fluoroelastomer (select).
Clasp
Deployment (select).
Ends
Curved / straight (select).
Sizing & Fit
Lug
Confirm 21 mm when live.
Wrist
Confirm clasp fit 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) |
|---|---|---|---|
| 21 mm FKM33 Deploy | Black | 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× FKM33 Black Rubber Deployment Band 21 mm
- Fit note (English)
Product photos show a typical concept layout. Final colors may vary within the stated assortment.
Care
Rinse after sweat/salt; air dry; avoid solvents on clasp.
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 third-party brand product?
Is it the same as FKM28?
Can I buy this today?
What about returns / warranty?
Trademark notice
Watch names appear only for compatibility. WatchGearLab is not affiliated with Seiko or Citizen.