Seiko Cal. 5643 - 663

Seiko 5643-663

The 5643-663 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-0b3395918635]

Also known as: Silverwave, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
14.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Green
Jewels
31j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1990

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seikata-wm-0b3395918635