Seiko Cal. 0721 - 630

Seiko 0721-630

The 0721-630 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0721 caliber with 30j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-1cf8638c5394]

Also known as: Goldfeather

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1987

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seikata-wm-1cf8638c5394