Seiko Cal. 4539 - 220

This Hand-Winding model from 1978 features a 40mm PVD Black case. Powered by the 4539 caliber with 35j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-374bc930bf0e]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1978

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