Seiko Cal. 4490 - 675

Seiko 4490-675

The 4490-675 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-61a42295fdaa]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
35mm
Case Thickness
12.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Black
Jewels
18j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1970

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