Seiko Cal. 3855 - 604

This Spring Drive model from 1968 features a 41mm Hardlex-Coated Steel case. Powered by the 3855 caliber with 23j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-78de1c08db50]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1968

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