Seiko Cal. 6646 - 506

Seiko 6646-506

The 6646-506 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6646 caliber with 17j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-70d3a28750df]

Also known as: Turtle, Bellmatic

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
46mm
Case Thickness
9.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Silver
Jewels
17j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1965

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