Seiko Cal. 6381 - 821

Released in 1980, the Cal. 6381 with design code 821 was part of Seiko's domestic market collection. Powered by the 6381 caliber with 20j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-a6dc4cb44808]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1980

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