Seiko Cal. 4439 - 289

This Spring Drive model from 1972 features a 43mm Titanium case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-2f6f0143cac1]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1972

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