Seiko Cal. 0773 - 638

This Spring Drive model from 1972 features a 43mm Titanium case. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-01c5f3deca68]

Also known as: UFO, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1972

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