Seiko Cal. 7131 - 456

This Hand-Winding model from 1967 features a 42mm Titanium case. With its 22mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-f513143ccb08]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1967

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