Seiko Cal. 5656 - 393

This Spring Drive model from 1975 features a 34mm Hardlex-Coated Steel case. Powered by the 5656 caliber with 19j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-19630ba31c1e]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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