Seiko Cal. 6166 - 391

This Spring Drive model from 1968 features a 46mm Gold-Plated case. With its 18mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-47137385398e]

Also known as: UFO, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1968

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