Seiko Cal. 5646 - 936

This Automatic model from 1991 features a 41mm Stainless Steel case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e3e08bef6a19]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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