Seiko Cal. 5691 - 275

This Spring Drive model from 1977 features a 46mm Titanium case. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-128f4109fd41]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1977

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