Seiko Cal. 5633 - 830

This Automatic model from 1977 features a 39mm Titanium case. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-5e384ec99aff]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

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