Seiko Cal. 4437 - 739

This Spring Drive model from 1985 features a 41mm Titanium case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-b7de8c19410a]

Also known as: Rally, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1985

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