Seiko Cal. 6670 - 656

The Seiko 6670-656 represents an important milestone in Seiko's 1979 lineup. Powered by the 6670 caliber with 32j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-709eb95db2a8]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1979

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