Seiko Cal. 6381 - 861

Released in 1973, the Cal. 6381 with design code 861 was part of Seiko's domestic market collection. Powered by the 6381 caliber with 33j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-cf96ffd60b43]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1973

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