Seiko Cal. 3871 - 938

This Hand-Winding model from 1990 features a 35mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-bb397b4877dc]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1990

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