Seiko Cal. 7183 - 490

Seiko 7183-490

The 7183-490 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-129a21cb5d09]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
10.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
180m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1970

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seikata-wm-129a21cb5d09