Seiko Cal. 4430 - 727

Seiko 4430-727

The 4430-727 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4430 caliber with 26j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-ab349a0e2a0d]

Also known as: Silverwave

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1968

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