Seiko Cal. 4578 - 646

This Hand-Winding model from 1988 features a 41mm PVD Black case. Powered by the 4578 caliber with 30j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-cdced46ec619]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1988

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