Seiko Cal. 7180 - 520

Seiko 7180-520

The 7180-520 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-a408a14b7746]

Also known as: Monster, Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Champagne
Jewels
24j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1981

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seikata-wm-a408a14b7746