Seiko Cal. 4558 - 937

This Hand-Winding model from 1990 features a 37mm PVD Black case. Powered by the 4558 caliber with 31j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-cfab1ddf80fa]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1990

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