Seiko Cal. 6646 - 354

Seiko 6646-354

This Automatic model from 1968 features a 44mm Titanium case. Powered by the 6646 caliber with 27j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-3142b6d33566]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
44mm
Case Thickness
12.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Champagne
Jewels
27j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1968

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seikata-wm-3142b6d33566