Seiko Cal. 6673 - 647

The 6673-647 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6673 caliber with 31j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-6ac81261f5db]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1973

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