Seiko Cal. 3865 - 345

This Spring Drive model from 1969 features a 34mm Titanium case. Powered by the 3865 caliber with 27j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-9645083c078e]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1969

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