Seiko Cal. 4439 - 254

This Spring Drive model from 1969 features a 37mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-f6092fc19927]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1969

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