Seiko Cal. 5691 - 444

This Quartz model from 1971 features a 37mm Gold-Plated case. With its 20mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-a18bf1cf46b0]

Also known as: Monster, Bullhead

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1971

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