Seiko Cal. 4436 - 183

This Spring Drive model from 1967 features a 41mm Titanium case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-1b21945bbbc3]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1967

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