Seiko Cal. 4488 - 560

This Quartz model from 1972 features a 40mm Hardlex-Coated Steel case. Powered by the 4488 caliber with 31j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-9b30771acd3a]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1972

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