Seiko Cal. 6391 - 757

Seiko 6391-757

This Quartz model from 1967 features a 35mm Gold-Plated case. Powered by the 6391 caliber with 24j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-72f6aae3ed75]

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1967

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seikata-wm-72f6aae3ed75