Seiko Cal. 6647 - 666

The 6647-666 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6647 caliber with 26j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-22eba2cc869e]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1998

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