Seiko Cal. 4556 - 681

This Hand-Winding model from 1971 features a 46mm Hardlex-Coated Steel case. Powered by the 4556 caliber with 34j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-1e3cf50bbf46]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

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