Seiko Cal. 7166 - 233

The 7166-233 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7166 caliber with 29j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-3851c9194e6d]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1979

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