Seiko Cal. 4483 - 660

This Spring Drive model from 1975 features a 44mm PVD Black case. Powered by the 4483 caliber with 31j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-7f1f1e83ca84]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1975

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