Seiko Cal. 5630 - 688

Seiko 5630-688

The 5630-688 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5630 caliber with 30j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-b9c39da9425b]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
10.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1982

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