Seiko Cal. 5641 - 507

This Hand-Winding model from 1967 features a 41mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-63b3234fd768]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1967

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