Seiko Cal. 6393 - 911

Seiko 6393-911

This Automatic model from 1967 features a 41mm Titanium case. Powered by the 6393 caliber with 21j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-b1a1022ada1a]

Also known as: Sumo, Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
12.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Black
Jewels
21j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1967

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