Seiko Cal. 5630 - 997

Seiko 5630-997

The 5630-997 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5630 caliber with 17j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-36e246d12c8f]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
10.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
Cream
Jewels
17j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1982

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seikata-wm-36e246d12c8f