Seiko Cal. 4430 - 633

Seiko 4430-633

The 4430-633 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-066bfddfccf2]

Also known as: Goldfeather, Flighty

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
45mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1965

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