Seiko Cal. 6680 - 578

The 6680-578 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6680 caliber with 20j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-2c8e148931d8]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1997

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