Seiko Cal. 4488 - 539

This Hand-Winding model from 1966 features a 42mm PVD Black case. Powered by the 4488 caliber with 29j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-34c65c814457]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1966

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