Seiko Cal. 5628 - 373

This Spring Drive model from 1977 features a 42mm Hardlex-Coated Steel case. Powered by the 5628 caliber with 19j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-f7e200d095d3]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1977

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