Seiko Cal. 4422 - 236

Released in 1981, the Cal. 4422 with design code 236 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-99384fdb8aca]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1981

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