Seiko Cal. 6660 - 931

The 6660-931 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-e44f02e648ca]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1972

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