Seiko Cal. 5640 - 617

This Spring Drive model from 1994 features a 41mm Titanium case. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-4fa9dc009ea8]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1994

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