Seiko Cal. 4439 - 431

This Kinetic model from 1984 features a 36mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-9934972f42c2]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1984

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