Seiko Cal. 7020 - 507

Seiko 7020-507

The 7020-507 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-f0b8164c52cf]

Also known as: Tuna, Helmet

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
9.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1984

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