Seiko Cal. 6131 - 589

Seiko 6131-589

The 6131-589 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6131 caliber with 30j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-ce582475e3bd]

Also known as: Sumo, Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
44mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Champagne
Jewels
30j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1966

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seikata-wm-ce582475e3bd