Seiko Cal. 4472 - 722

The Seiko 4472-722 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-1775ba26e9d2]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1987

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