Seiko Cal. 6163 - 894

This Spring Drive model from 1978 features a 43mm Titanium case. With its 22mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-0307f4f24a86]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1978

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