Seiko Cal. 7181 - 145

This Hand-Winding model from 1978 features a 35mm Titanium case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-5e6dca8b3c6e]

Also known as: Samurai, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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