Seiko Cal. 7157 - 703

This Spring Drive model from 1966 features a 45mm Titanium case. With its 18mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-3cb42120521d]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1966

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