Seiko Cal. 6663 - 731

Seiko 6663-731

The 6663-731 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-693aaa36d65a]

Also known as: Goldfeather, Flighty

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
40mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
180m
Dial Color
Green
Jewels
24j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1966

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seikata-wm-693aaa36d65a