Seiko Cal. 5649 - 973

This Spring Drive model from 1985 features a 40mm Titanium case. With its 21mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-ac477b88dfb6]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1985

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