Seiko Cal. 6339 - 474

This Spring Drive model from 1977 features a 46mm PVD Black case. Powered by the 6339 caliber with 24j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-edeee297719a]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1977

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