Seiko Cal. 6681 - 563

Seiko 6681-563

The 6681-563 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6681 caliber with 20j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-63e6bd6b12ea]

Also known as: Sumo, Navigator

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
11.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Black
Jewels
20j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1979

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seikata-wm-63e6bd6b12ea