Seiko Cal. 7170 - 643

This Hand-Winding model from 1972 features a 34mm Stainless Steel case. Powered by the 7170 caliber with 17j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-ec65e4d647de]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1972

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