Seiko Cal. 6399 - 521

Seiko 6399-521

This Spring Drive model from 1999 features a 44mm PVD Black case. Powered by the 6399 caliber with 29j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-1651e37723ea]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
44mm
Case Thickness
14.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1999

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seikata-wm-1651e37723ea