Seiko Cal. 7166 - 687

The 7166-687 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7166 caliber with 20j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-247a512f669a]

Also known as: Sumo, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1971

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