Seiko Cal. 6381 - 379

This Spring Drive model from 1974 features a 43mm Two-Tone case. Powered by the 6381 caliber with 35j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-6b802966393a]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1974

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