Seiko Cal. 6630 - 971

Seiko 6630-971

The 6630-971 is a sought-after Kinetic piece from Seiko's golden era. With its 22mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-ef13ad758444]

Also known as: Sumo, Pogue

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
40mm
Case Thickness
9.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Green
Jewels
36j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1990

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