Seiko Cal. 5691 - 153

This Spring Drive model from 1987 features a 43mm Two-Tone case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-4981d0c8b219]

Also known as: Sea Horse, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1987

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