Seiko Cal. 5633 - 718

This Quartz model from 1965 features a 39mm Titanium case. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-49d78d20e92d]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1965

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