Seiko Cal. 5645 - 493

This Spring Drive model from 1975 features a 40mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-3e0ebd30ab32]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1975

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