Seiko Cal. 6391 - 824

Seiko 6391-824

The Seiko 6391-824 represents an important milestone in Seiko's 1984 lineup. Powered by the 6391 caliber with 26j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-ff6878c63165]

Also known as: Monster, Navigator

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Black
Jewels
26j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1984

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