Seiko Cal. 3893 - 633

The Seiko 3893-633 represents an important milestone in Seiko's 1965 lineup. With its 22mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-e6eefcb0b771]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

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