Seiko Cal. 6368 - 643

This Spring Drive model from 1977 features a 37mm PVD Black case. Powered by the 6368 caliber with 30j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-ce308c32156c]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1977

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