Seiko Cal. 6166 - 475

The 6166-475 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6166 caliber with 21j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-547657cf98ce]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1987

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