Seiko Cal. 3865 - 908

The Seiko 3865-908 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-8dda25b1b733]

Also known as: Sportsmatic, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1977

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