Seiko Cal. 6131 - 843

Seiko 6131-843

The 6131-843 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6131 caliber with 35j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-fa960cfca761]

Also known as: Monster, Panda

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
14.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
Green
Jewels
35j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1991

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