Seiko Cal. 3827 - 523

Seiko 3827-523

The 3827-523 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3827 caliber with 19j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-a7b38f3554f9]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
8.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
50m
Dial Color
White
Jewels
19j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1970

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