Seiko Cal. 6257 - 378

Seiko 6257-378

The 6257-378 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-92fcaf724c7b]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
12.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Burgundy
Jewels
29j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1978

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