Seiko Cal. 3871 - 765

This Solar model from 1986 features a 38mm Titanium case. Powered by the 3871 caliber with 36j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-93b0bc169a5c]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1986

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