Seiko Cal. 3863 - 203

Seiko 3863-203

The 3863-203 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3863 caliber with 20j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-5d2f6733288a]

Also known as: Shogun, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
42mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
70m
Dial Color
White
Jewels
20j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1971

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