Seiko Cal. 3831 - 528

Seiko 3831-528

The 3831-528 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3831 caliber with 30j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-4ef274d53def]

Also known as: Monster, Goldfeather

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
44mm
Case Thickness
9.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Cream
Jewels
30j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1982

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