Seiko Cal. 6656 - 377

The 6656-377 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6656 caliber with 22j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-67bbc76adad3]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1975

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