Seiko Cal. 7180 - 615

Seiko 7180-615

The 7180-615 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-fafa24b130da]

Also known as: Monster, Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
15.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Champagne
Jewels
25j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1989

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