Seiko Cal. 6257 - 890

Seiko 6257-890

The 6257-890 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-708ddcf5bbcd]

Also known as: Sumo

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
14.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Black
Jewels
24j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1965

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