Seiko Cal. 4490 - 584

Seiko 4490-584

This Spring Drive model from 1979 features a 44mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-3b300f18c0ba]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
10.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Navy
Jewels
19j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1979

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