Seiko Cal. 6650 - 707

Seiko 6650-707

The 6650-707 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-0aea6f701a6e]

Also known as: Turtle, Monster

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
35mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Green
Jewels
17j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1973

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