Seiko Cal. 7020 - 311

Seiko 7020-311

The 7020-311 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-1a33699740f6]

Also known as: Helmet, Navigator

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Silver
Jewels
31j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1966

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seikata-wm-1a33699740f6