Seiko Cal. 6650 - 473

Seiko 6650-473

The 6650-473 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6650 caliber with 31j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-3fb340abf5ac]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
36mm
Case Thickness
10.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Green
Jewels
31j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1973

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