Marty McFly's watch, but dressed up. The CA-500WEBF-1AJR is not your typical black resin calculator watch that you remember from school. This is the Premium JDM version of the Vintage series: Gunmetal finish case, stainless steel strap, and inverted negative display. It retains the geeky spirit of the 80s but with a sophisticated cyberpunk aesthetic that you can wear with a suit. It's a direct reissue of the legendary CA-50, updated for the modern collector.

🇯🇵 Exclusive JDM Version (1AJR): You have the reference intended for the Japanese domestic market. For a collector, seeing the label with kanji or the Japan-specific box adds points of “authenticity.”

🤖 “Full Gunmetal” aesthetic: Unlike the plastic CA-53 (the one from Breaking Bad), this model has a chrome case and steel bracelet in a dark gray/black (Gunmetal) tone that gives it a much more robust and premium look.

🧮 Real 8-Digit Calculator: It's not decorative. You can add, subtract, multiply, and divide right on your wrist. It remains the most useless and yet most wonderful function in the world today.

🕶️ Negative Display: Black background with light numbers. It gives it a tactical and modern touch that radically differentiates it from classic vintage models with gray displays.

📏 Self-Adjusting Bracelet: The stainless steel strap has a sliding clasp. No tools are needed to remove links; the customer can adjust it to their size in seconds.

Feature Specification

Model Casio Standard CA-500WEBF-1AJR (JDM)

Style Retro / Vintage / Data Bank

Mechanism Digital Quartz (Module 3502)

Case Material Resin with metallic chrome finish (Gunmetal)

Strap Material Stainless Steel with Black/Gray IP Treatment

Dimensions 43.2 × 34.4 × 8.2 mm (Extra-thin)

Weight 53 g (Lightweight but with a metallic feel)

Functions 8-digit calculator, Stopwatch, Daily alarm, Dual time

Battery Life Approx. 5 years (CR2016)

Water Resistance Water Resistant (Splashes, rain, sweat - ISO 22810)

Glass Resin (Vintage acrylic style)

If you grew up in the 80s or 90s, or if you're a fan of Back to the Future, you'll recognize this silhouette instantly. But beware, this is not the cheap resin CA-53W worn by Walter White.

The CA-500WEBF is Casio's answer to fans who wanted a “grown-up” metal version of the classic. It belongs to the Casio Vintage Premium line. What makes your unit special is the code 1AJR: it certifies that it is a product originally distributed for Japan.

The design of the dial with the “grid” and the keypad is pure retro industrial design. In addition, this version features Dual Time, perfect if you travel or want to keep track of the time in another country, and a daily alarm.

It's the perfect icebreaker watch. People will ask you, “Does the calculator really work?” And you can respond by pressing those tiny rubber buttons with a smile of satisfaction.