Seiko Cal. 4430 - 509

Seiko 4430-509

The 4430-509 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4430 caliber with 31j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-769f5ec13f67]

Also known as: Silverwave

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
150m
Dial Color
White
Jewels
31j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1991

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