Seiko Cal. 7178 - 403

Seiko 7178-403

The 7178-403 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-dce46f94c648]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Green
Jewels
26j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1966

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