Seiko Cal. 0727 - 931

This Automatic model from 1977 features a 42mm Titanium case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-4a55d9e7dc99]

Also known as: Helmet, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1977

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