Seiko Cal. 6646 - 746

Seiko 6646-746

The 6646-746 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6646 caliber with 25j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-79140245b722]

Also known as: Navigator, Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
9.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
130m
Dial Color
Silver
Jewels
25j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1994

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seikata-wm-79140245b722