Limited to 15 pieces worldwide

[Racer’s Type Collection] Created in collaboration with ArtNeun, the 321 ArtNeun Edition celebrates the design language and legacy of the iconic rear-engine sports cars that defined a generation. Its Viper Green CERAKOTE-coated case takes inspiration from one of the rarest colorways ever produced, a shade found on only 69 cars and remembered for its bold personality and unmistakable presence. Lightweight, durable, and built with precision timing in mind, this limited release blends automotive heritage with the clean, functional design Sunrex is known for.

To underscore its exclusivity, only 15 pieces have been produced worldwide, making it exceptionally rare and highly collectible. Each one is individually numbered and crafted to be as collectible as it is wearable.

Highlights

• Limited edition of 15 pieces
• CERAKOTE-coated aluminum case inspired by Viper Green
• Solar-powered Viluminus movement
• 1/20 second chronograph
• Domed sapphire crystal
• Includes FKM rubber and leather straps

Specifications

• Movement: Epson VS76A light-powered quartz, holds up to 5 months of charge
• Chronograph: 1/20 second center chronograph, 60-minute stopwatch
• Case & Coating: Aluminum case with CERAKOTE ceramic coating for high scratch resistance, abrasion protection, and long-lasting color
• Crystal: Museum-grade domed sapphire crystal with anti-reflective coating
• Straps: FKM rubber strap and environmentally tanned leather strap
• Water Resistance: 100m
• Dial: Black dial with luminescent hands and markers, date window
• Crown: Screw-down crown at 3 o’clock
• Dimensions: 38.6mm diameter, 43.5mm lug-to-lug, 14mm thickness
• Serial Numbers: 119, 120, 121, 123, 124, 125, 126, 128, 129, 133, 135, 136, 137, 138, 140

Let us tell you all about The 321 ArtNeun Edition

This edition draws on the spirit of the rear-engine sports cars that paired engineering precision with unmistakable character. Known for their agility and distinctive silhouette, these cars also carried a philosophy rooted in discipline, innovation, and performance. The ArtNeun collaboration captures that energy through a case coated in CERAKOTE, a high-performance ceramic-polymer composite chosen for its superior durability, corrosion resistance, and UV stability. It keeps the color vibrant and the watch protected through everyday wear.

Designed for collectors who appreciate thoughtful craftsmanship and meaningful details, the 321 ArtNeun Edition blends motorsport heritage, wearable engineering, and Sunrex’s modern solar technology. With only 15 made, it’s a rare opportunity to own a piece that reflects both brands’ shared commitment to craft and purpose.