Seiko Cal. 6670 - 831

The Seiko 6670-831 represents an important milestone in Seiko's 1967 lineup. Powered by the 6670 caliber with 24j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-ce9112de1edf]

Also known as: Pogue, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1967

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