Seiko Cal. 5610 - 633

This Spring Drive model from 1975 features a 45mm PVD Black case. Powered by the 5610 caliber with 19j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-cdbabaaaa16f]

Also known as: Silverwave, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1975

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