Seiko Cal. 5665 - 611

This Spring Drive model from 1972 features a 44mm Gold-Plated case. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-6d360f281248]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1972

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