Seiko Cal. 3871 - 296

This Spring Drive model from 1975 features a 41mm Gold-Plated case. Powered by the 3871 caliber with 34j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-96230a7fb768]

Also known as: Tuna, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

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