Seiko Cal. 3871 - 772

This Spring Drive model from 1987 features a 37mm Titanium case. Powered by the 3871 caliber with 34j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-7e958224330c]

Also known as: Pogue, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1987

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