Seiko Cal. 4440 - 253

This Hand-Winding model from 1980 features a 36mm Titanium case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-fe32ddb97bdb]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1980

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