Seiko Cal. 7178 - 763

Seiko 7178-763

The 7178-763 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-60d5bc26d3f8]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
9.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
White
Jewels
36j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1985

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