Seiko Cal. 6377 - 930

The Seiko 6377-930 represents an important milestone in Seiko's 1973 lineup. Powered by the 6377 caliber with 26j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-2729c8906daa]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1973

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