Seiko Cal. 6646 - 178

Seiko 6646-178

The Seiko 6646-178 represents an important milestone in Seiko's 1978 lineup. Powered by the 6646 caliber with 33j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-2f69ea65abe3]

Also known as: Turtle

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
45mm
Case Thickness
15.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
Cream
Jewels
33j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1978

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