Seiko Cal. 3863 - 123

Seiko 3863-123

The 3863-123 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3863 caliber with 21j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-ebefa712816a]

Also known as: Golden Tuna, Emperor

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
10.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Cream
Jewels
21j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1967

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