Seiko Cal. 0720 - 647

Seiko 0720-647

The 0720-647 is a sought-after Solar piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-8995b7f04ade]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
Titanium
Case Width
41mm
Case Thickness
11.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Champagne
Jewels
23j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1983

Related Models

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