Seiko Cal. 0720 - 578

Seiko 0720-578

The 0720-578 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-f3997465a515]

Also known as: Navigator

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
9.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Silver
Jewels
22j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1987

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seikata-wm-f3997465a515