Seiko Cal. 6647 - 999

The 6647-999 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6647 caliber with 35j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-238333ddd066]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1965

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