Seiko Cal. 3871 - 151

This Solar model from 1976 features a 35mm Two-Tone case. Powered by the 3871 caliber with 32j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-b614ae82128b]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1976

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