Seiko Cal. 6646 - 656

Seiko 6646-656

The 6646-656 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-6f5789aac096]

Also known as: Shogun, Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
White
Jewels
34j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1996

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