Seiko Cal. 6657 - 335

Seiko 6657-335

The 6657-335 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-eb632af39fb4]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
12.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Silver
Jewels
35j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1981

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