Seiko Cal. 6356 - 831

Seiko 6356-831

The 6356-831 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-d75516e7f6ac]

Also known as: Helmet, Sea Horse

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Green
Jewels
20j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1969

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