Seiko Cal. 0781 - 850

This Spring Drive model from 1973 features a 36mm Titanium case. With its 19mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-2a64b5efca18]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1973

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