Seiko Cal. 6391 - 550

Seiko 6391-550

This Kinetic model from 1978 features a 46mm Titanium case. Powered by the 6391 caliber with 26j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-f6641e3bfd8e]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
46mm
Case Thickness
10.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Burgundy
Jewels
26j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1978

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