Seiko Cal. 6672 - 939

The 6672-939 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6672 caliber with 31j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-9d549c996a37]

Also known as: Shogun, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1967

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