Seiko Cal. 5640 - 745

This Automatic model from 1999 features a 39mm Stainless Steel case. With its 21mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-83d652f2896a]

Also known as: Sea Horse, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1999

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