Seiko Cal. 5644 - 188

This Automatic model from 1980 features a 40mm Titanium case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1fd93afde710]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1980

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