Seiko SRPK91: caliber 4R36, 37.4 mm case, 100 m water resistance.
Where to buy
No one is listing this watch right now.
Back-in-stock alert
One email when a store in this market has it for sale. If it sells out again, we keep watching — and every email carries an unsubscribe link.
Specifications
Specifications from Seiko, Creation Watches, last seen 2026-09-21.
Movement
- Caliber
- 4R36 All 4R36 watches →
- Movement
- Automatic
- Power reserve
- 41h
- Jewels
- 24
Case & crystal
- Case material
- Stainless steel
- Case diameter
- 37.4mm
- Case thickness
- 12.5mm
- Lug to lug
- 44.7mm
- Lug width
- 18mm
- Crystal
- Curved Hardlex
Resistance
- Water resistance
- 100 m
- Magnetic resistance
- 4,800 A/m
Catalogue
- Family
- SRPK
Something wrong on this page? Tell us
Variants Same watch, different market or bracelet
| Reference | Edition | Region | Band | Clasp | Weight |
|---|---|---|---|---|---|
| SRPK91K1 | K1 | International | Stainless steel | Three-fold clasp with push button release | 125g |
