Seiko Cal. 6670 - 678

The 6670-678 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6670 caliber with 31j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-2e236a9f1232]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1984

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