Seiko Cal. 4427 - 870

Seiko 4427-870

The 4427-870 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d0a9383cb7d3]

Also known as: Turtle, Flighty

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
White
Jewels
17j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1977

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