Seiko Cal. 5683 - 449

This Spring Drive model from 1975 features a 39mm PVD Black case. Powered by the 5683 caliber with 21j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-99297364c29f]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1975

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