The Seiko 4R36 movement
5 watches in the almanac use the Seiko 4R36, from Seiko, at $315 to $525 US retail. Here is what it does, and every watch we've measured that has it.
- Type
- automatic
- Power reserve
- 41 hours
- Frequency
- 21,600 vph (3 Hz)
- Jewels
- 24
- Accuracy
- +45/-35 s/day
Watches with the Seiko 4R36
- Seiko5 Sports Field Sports StyleSRPG27
- Case
- 39.4 mm
- Lug-to-lug
- 48.1 mm
- Thick
- 13.2 mm
- Seiko5 Sports Field Sports Style 36mmSRPJ85
- Case
- 36.4 mm
- Lug-to-lug
- 44.4 mm
- Thick
- 12.5 mm
- SeikoSeiko 5 Sports SKX Sports StyleSRPD55
- Case
- 42.5 mm
- Lug-to-lug
- 46 mm
- Thick
- 13.4 mm
- Seiko5 Sports SNXS SeriesSRPK89
- Case
- 37.4 mm
- Lug-to-lug
- 44.7 mm
- Thick
- 12.5 mm
- SeikoProspex Sea TurtleSRPE93 · “Turtle”
- Case
- 45 mm
- Lug-to-lug
- 47.7 mm
- Thick
- 13.4 mm