Seiko Cal. 0731 - 222

The Seiko 0731-222 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-50beec0af7d7]

Also known as: Monster, Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1974

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