Seiko Cal. 3867 - 523

Seiko 3867-523

The 3867-523 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3867 caliber with 34j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-9a25cf3f8b14]

Also known as: Monster, Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
35mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Silver
Jewels
34j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1982

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seikata-wm-9a25cf3f8b14