Seiko Cal. 7178 - 820

Seiko 7178-820

The 7178-820 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5b753f2d0b47]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
40mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1986

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