Seiko Cal. 3867 - 633

The Seiko 3867-633 represents an important milestone in Seiko's 1968 lineup. Powered by the 3867 caliber with 19j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-19338b386fb6]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1968

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