Seiko Cal. 5685 - 834

Seiko 5685-834

The 5685-834 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5685 caliber with 20j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-68763a985b13]

Also known as: Sumo, Bullhead

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Champagne
Jewels
20j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1970

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seikata-wm-68763a985b13