Seiko Cal. 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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