Seiko Cal. 6656 - 990

Seiko 6656-990

The 6656-990 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-b8ca546e9f71]

Also known as: Silverwave, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
14.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Burgundy
Jewels
26j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1969

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