Seiko Cal. 7031 - 797

Seiko 7031-797

The 7031-797 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7031 caliber with 20j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-a48b5ecabb61]

Also known as: Silverwave, Emperor

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1982

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seikata-wm-a48b5ecabb61