Seiko Cal. 6390 - 303

Seiko 6390-303

The 6390-303 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6390 caliber with 34j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-99f6f434412e]

Also known as: Samurai

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1967

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