Seiko Cal. 6391 - 276

Seiko 6391-276

This Automatic model from 1970 features a 44mm Gold-Plated case. Powered by the 6391 caliber with 27j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-9a8c03cd56cd]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1970

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