Seiko Cal. 5610 - 328

This Spring Drive model from 1965 features a 40mm Titanium case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0fd61bc478a9]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1965

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