Seiko Cal. 5616 - 204

This Quartz model from 1967 features a 37mm PVD Black case. With its 18mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-03e8f1c22dd2]

Also known as: Bullhead, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1967

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