Seiko Cal. 6648 - 879

The 6648-879 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6648 caliber with 19j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-583c8744998b]

Also known as: Silverwave, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1975

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