Seiko Cal. 7031 - 121

This Automatic model from 1979 features a 37mm Two-Tone case. It features a Cream dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-6152c88de38b]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1979

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