Seiko Cal. 5231 - 797

Seiko 5231-797

The 5231-797 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5231 caliber with 20j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-5d6a9354d523]

Also known as: Sumo

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Burgundy
Jewels
20j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1981

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