When a bowler who casually hits 140kph and has sent Babar Azam packing on the very first ball of an international match picks out his watch, he probably isn't going for something beige and forgettable.

Arshdeep Singh was recently spotted wearing two watches from the Rotoris Astonia Sports line: one is the Astonia Circuit Blue, and the other is the Astonia Phantom Black. The man knows what he wants.

Astonia Sports is a fitting choice for someone whose entire game is built on split-second precision. A yorker at the death, landing in the blockhole at the 19th over with the game on the line, is not so different from a chronograph measuring speed around a tachymeter. Both require calibration. Both demand nerve. And both, done right, look absolutely beautiful.

Rotoris has already landed on the wrists of an F1 reserve driver at Melbourne, a YouTube legend with 5 million subscribers, and now India's most trusted fast bowler.
So what exactly is on Arshdeep's wrist? Let's get into it.

The Astonia Sports: What It Is

The Astonia is a watch for those who measure. Not in the obsessive, overthinking sense but in the quiet, deliberate way that high performers track everything. Time, speed, effort, progress. The Astonia Sports Chronograph is the most active watch in the lineup, and the Circuit Blue and Phantom Black are its two sharpest expressions.

Both variants share the same case, the same movement, the same engineering brief. The Astonia Circuit Blue Watch draws from motorsport. Deep sapphire blue dial, 316L stainless steel case, and a tachymeter scale.

The Astonia Phantom Black Watch is the quieter threat. Kush Maini also wore the Phantom Black at the 2026 Melbourne Grand Prix, making it the first Indian watch brand ever seen on an F1 grid.

The Full Technical Breakdown

Both watches run on the Q-MATIC movement, which is a Seiko TMI VK63 meca-quartz hybrid. A meca-quartz gives you quartz-level accuracy (around 0.5 seconds per day) while keeping the physical, tactile feel of a mechanical chronograph. The second hand sweeps rather than ticks. The pushers have resistance. It feels mechanical because most of the chronograph mechanism actually is mechanical.

The Astonia also has a flyback function. In a standard chronograph, you stop the timer, reset it, then restart. Flyback collapses that into a single button press, resetting and restarting in one action. It's a function born in aviation and adopted by motorsport.

The 42mm 316L stainless steel case really stands apart. The 316L grade matters because it's the same steel used in surgical implants. Higher chromium and nickel content, better resistance to corrosion, and it wears well against sweat and heat in a way that lower-grade steel simply doesn't.

The crystal is sapphire with anti-reflective coating. Sapphire is the right answer here. It sits at 9 on the Mohs hardness scale, which means only a diamond scratches it. The AR coating on both sides kills glare on the dial and removes that distracting reflection you get with single-coated crystals.

The strap is FKM rubber, which stands for fluoroelastomer. It's not regular silicone. FKM is used in aerospace and automotive sealing applications because it handles temperature extremes, UV exposure, and chemical contact without degrading. On a wrist, it means a strap that doesn't crack, stiffen, or smell after a year of heavy use. It's comfortable, grippy, and the right call for a sports watch.

Water resistance is rated to 5 ATM. More than enough for rain, splashing, and the general brutality of being a fast bowler's accessory.

The Specifications at a Glance

Case: 42mm, 316L Surgical Stainless Steel

Crystal: Sapphire with Double-Sided AR Coating
Movement: Q-MATIC
Accuracy: approximately 0.5 seconds per day
Water Resistance: 5 ATM / 50 Metres
Bezel: Tachymeter Scale
Strap: FKM Fluoroelastomer Rubber

Why Arshdeep Makes Perfect Sense

Arshdeep Singh went from a Rs 20 lakh auction pick in his first IPL season to an Rs 18 crore retention in six years. He won the ICC T20I Player of the Year award. He's a left-arm seamer from Punjab who has made precision under pressure into a career.

Rotoris is a brand built for exactly that kind of person. Rotoris is for the becoming. For the chapter where you're building, not resting on what you already have.
Our lead watchmaker, Harman Wadhwa, is the only Indian watchmaker formally educated in Switzerland.

An Indian brand on an F1 grid. On the wrist of India's premier death bowler. Built by people who have done hard things before. That's a coherent story, and it's only getting started.