Seiko Cal. 6377 - 946

The 6377-946 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6377 caliber with 31j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-ee6c351f6954]

Also known as: UFO, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1966

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