Seiko Cal. 6647 - 917

The 6647-917 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6647 caliber with 21j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-083635b45e0e]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1969

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