Seiko Cal. 3831 - 623

Seiko 3831-623

The 3831-623 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3831 caliber with 34j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-03dfac571ab5]

Also known as: Monster, Arnie

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
11.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
130m
Dial Color
White
Jewels
34j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1967

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seikata-wm-03dfac571ab5