Seiko Cal. 5625 - 731

The Seiko 5625-731 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-d9f5ca1ca42f]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1975

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