Seiko Cal. 6257 - 169

This Spring Drive model from 1976 features a 42mm Two-Tone case. Powered by the 6257 caliber with 33j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-618a704ba943]

Also known as: Sumo, Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1976

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