Seiko Cal. 7166 - 630

This Hand-Winding model from 1977 features a 37mm Titanium case. Powered by the 7166 caliber with 20j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-7e398ce491ed]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1977

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