Seiko Cal. 6351 - 691

Seiko 6351-691

This Quartz model from 1980 features a 39mm PVD Black case. Powered by the 6351 caliber with 31j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-85c3c1536e0f]

Also known as: Samurai, Sumo

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
39mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
31j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1980

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