Seiko Cal. 6656 - 766

Seiko 6656-766

The 6656-766 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-75a11a77c3ac]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
10.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Champagne
Jewels
18j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1978

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