Seiko Cal. 6178 - 831

Seiko 6178-831

The 6178-831 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-81f8a7617ddf]

Also known as: Golden Tuna, Flighty

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
37mm
Case Thickness
10.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Silver
Jewels
17j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1969

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