Seiko Cal. 0720 - 636

Seiko 0720-636

The 0720-636 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-4bba2d79eb8a]

Also known as: Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
180m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1967

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