Seiko Cal. 4490 - 686

Seiko 4490-686

The 4490-686 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-70b33e1e51a8]

Also known as: Monster, Silverwave

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
60m
Dial Color
Champagne
Jewels
18j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1983

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