Seiko Cal. 7166 - 638

The 7166-638 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7166 caliber with 32j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-734c6cc6fb97]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

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