Seiko Cal. 5636 - 964

This Spring Drive model from 1998 features a 45mm Titanium case. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-d35d0fb7f394]

Also known as: Monster, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1998

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