Seiko Cal. 6647 - 504

The 6647-504 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6647 caliber with 22j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-b8f00baf7d90]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1994

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