Seiko Cal. 5644 - 265

This Spring Drive model from 1972 features a 41mm Titanium case. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-25a8b0d563e7]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1972

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