Seiko Cal. 7166 - 110

This Hand-Winding model from 1977 features a 40mm Stainless Steel case. Powered by the 7166 caliber with 19j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-1c832f3751da]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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