Seiko Cal. 6142 - 578

This Hand-Winding model from 1981 features a 40mm Titanium case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a6f5bf87f03a]

Also known as: Helmet, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1981

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