Seiko Cal. 4530 - 639

Seiko 4530-639

The 4530-639 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4530 caliber with 36j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-b9cc92f36d0a]

Also known as: Goldfeather

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
46mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1970

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