Seiko Cal. 7031 - 478

Seiko 7031-478

The 7031-478 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-744fb211e723]

Also known as: Crown

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
10.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Black
Jewels
27j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1967

Related Models

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