Seiko 6R15
High confidenceThe caliber of the SARB017 Alpinist, the SARB065 Cocktail Time and the first-generation Sumo. Its replacement by the 6R35 is the cleanest dividing line between the SARB generation of Seiko enthusiast watches and the SPB generation that followed.
Specifications
- Movement manufacturer
- Seiko
- Production
- 2006–2019
- Frequency
- 21,600 vph (3 Hz)
- Jewels
- 23
- Power reserve
- 50 hours
- Winding
- automatic
- Complications
- Date · Hacking seconds · Hand-winding
Architecture
Automatic caliber with a date, hacking and hand-winding.
Related calibers
Preceded by
Seiko 6R35
References using this caliber
- Seiko SBDC001Factory
Prospex · 2007–2018
- Seiko SARB017Factory
Prospex · 2006–2018
- Seiko SARB065Factory
Presage · Whole production
Provenance of this record
Sources & Evidence
Primary sourceManufacturer documentation
Seiko — Prospex, Presage, 5 Sports and Astron product documentation
Seiko Watch Corporation
- Accessed
- 2026-08-18
Cited for
This referenceHigh confidence
Last verified: Not yet reviewed