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Bulova Computron
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MovementDigital quartz, LED display
CaseAsymmetrical trapezoidal shape
FunctionsTime, date, stopwatch button function
Water resistancenot specified by the manufacturer
Launch year1976 (original)

Computron

"Trapezoid"

Model History

In 1976, amid the "quartz crisis" reshaping the whole watch industry, Bulova presented the Computron: a digital LED-display watch housed in an asymmetrical trapezoidal case, informally nicknamed "Trapezoid" by collectors.

The tilt of the dial was designed to allow reading the time without rotating the wrist — a practical detail explicitly aimed at drivers. It was available in chrome and gold-plated finishes; the LED technology required pressing a button to illuminate the time, date and other functions for a few seconds, since it was far more power-hungry than the LCD displays that would later become standard.

Its bold "space age" 1970s design made it an icon of the first generation of electronic watches. A recent Archive Series reissue keeps the trapezoidal case and tilted dial faithfully, replacing the old technology with a brighter, more reliable modern LED, offered in three color and material combinations.

Technical Specifications

Movement
Digital quartz, button-activated LED display
Case
Asymmetrical trapezoidal shape, the line's distinctive trait
Finishes
Steel, gold-tone or black depending on version
Display
LED digits (red or blue depending on version)
Functions
Time, date, stopwatch function activated by button
Strap
Integrated metal bracelet or rubber strap depending on version
Launch year
1976
Context
Launched during the watch industry's "quartz crisis"

Main Executions

Original ComputronTrapezoidal case, chrome and gold-tone finishes, button LED display1976
Computron Archive Series gold-tone/red LEDReissue faithful to the original shape with an updated LED displaycurrent production
Computron Archive Series steel/blue LEDSteel variant with a blue LED displaycurrent production
Computron Archive Series black/rubber strapA sportier version, with red LED and rubber strapcurrent production
Fun Fact

The informal nickname "Trapezoid", still used by collectors today, simply comes from its case shape — a detail considered almost eccentric at the time that over the years became the main reason for its retro-futuristic appeal among new enthusiasts.