Seiko Cal. 6377 - 930

Seiko 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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