Seiko Cal. 3871 - 118

This Spring Drive model from 1988 features a 35mm Titanium case. Powered by the 3871 caliber with 25j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-096dc10abf49]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1988

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