Seiko Cal. 5691 - 165

This Spring Drive model from 1989 features a 35mm PVD Black case. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-93077d9dd71a]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1989

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