Seiko Cal. 3871 - 204

This Hand-Winding model from 1988 features a 36mm Two-Tone case. Powered by the 3871 caliber with 22j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-9b2b894c743e]

Also known as: Turtle, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1988

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