Seiko Cal. 6663 - 978

Seiko 6663-978

The 6663-978 is a sought-after Kinetic piece from Seiko's golden era. With its 19mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-d56e4c0ddafd]

Also known as: Turtle, Sumo

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
12.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
60m
Dial Color
Navy
Jewels
30j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1978

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