Seiko Cal. 5687 - 496

This Spring Drive model from 1971 features a 37mm PVD Black case. With its 19mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-ac802cbdecd9]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1971

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