Seiko Cal. 6377 - 781

The Seiko 6377-781 represents an important milestone in Seiko's 1966 lineup. Powered by the 6377 caliber with 24j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-01bf105252ea]

Also known as: Monster, Goldfeather

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1966

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