Seiko Cal. 6647 - 284

Seiko 6647-284

The 6647-284 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-f0843235b08a]

Also known as: Monster, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
12.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1981

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