Seiko Cal. 6657 - 382

Seiko 6657-382

The 6657-382 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-32342b7fdad0]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
37mm
Case Thickness
10.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
21j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1989

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