Seiko Cal. 6399 - 713

Seiko 6399-713

This Hand-Winding model from 1978 features a 46mm Two-Tone case. Powered by the 6399 caliber with 21j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-022683159dfe]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
46mm
Case Thickness
12.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1978

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seikata-wm-022683159dfe