Seiko Cal. 5628 - 637

The Seiko 5628-637 represents an important milestone in Seiko's 1996 lineup. With its 22mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-fb81b79599b1]

Also known as: Bullhead, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1996

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