Seiko Cal. 5666 - 810

This Kinetic model from 1974 features a 44mm Two-Tone case. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-ba19db14cd01]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1974

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