Seiko Cal. 6364 - 420

Seiko 6364-420

This Automatic model from 1979 features a 44mm PVD Black case. Powered by the 6364 caliber with 22j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-89fbb8ef7a4e]

Also known as: UFO, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
44mm
Case Thickness
12.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1979

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