Seiko Cal. 4443 - 280

This Spring Drive model from 1972 features a 41mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-f175e90d3df1]

Also known as: Samurai, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1972

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