Seiko Cal. 6663 - 430

Seiko 6663-430

The 6663-430 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6663 caliber with 22j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-22e3bd7fc3ec]

Also known as: Navigator, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
36mm
Case Thickness
13.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Cream
Jewels
22j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1967

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