The Titan Celestor 2 sports a 1.52-inch Super AMOLED display at 360×360 pixels — a meaningful step up from Gen 1's 1.43" panel. Super AMOLED's integrated touch layer results in a thinner, more vibrant panel with better sunlight performance than standard AMOLED. Always-On Display uses the technology's per-pixel power control to keep time and basic information visible at near-zero battery cost.

The sapphire crystal glass covers the display — the same premium protection found on the Titan Crest. Combined with the steel rotating bezel surrounding the display, the Celestor 2 presents a uniformly premium, durable construction that handles years of active use without cosmetic degradation. Watch faces leverage the round format and bezel-edge design to create elegant watch-like dials that balance digital information with aesthetic restraint.

The Celestor 2 is rated for up to 7 days under typical use and 25 days on standby. For users who keep health tracking on but limit Alexa and BT calling to moderate use, 5–7 days is achievable. The Super AMOLED panel's efficiency advantage helps offset the battery cost of features like AOD, VO2 Max tracking, and Alexa processing — keeping the 7-day claim realistic under typical daily use.

Heavy Bluetooth calling and frequent Alexa activations will reduce battery life to approximately 1 day — a trade-off inherent to all calling smartwatches with voice assistant processing. Disabling AOD, reducing continuous HR monitoring frequency, and limiting Alexa sessions to essentials extends battery life meaningfully. The magnetic charging cable provides a full charge in approximately 2 hours.

The Celestor 2 carries IP68 water resistance — dust-tight and rated for 1.5m submersion for 30 minutes. This covers all everyday and athletic scenarios including gym workouts, rain, handwashing, and casual pool use. The rotating steel bezel mechanism is designed to maintain IP68 integrity — the bezel seals are tested at the same standard as the rest of the case.

A dedicated swimming mode is included for lap counting and pool workout tracking. As with all IP68 devices, high-pressure dynamic water (diving, jet-ski, forceful showers) is outside the rated test conditions. The stainless steel case and bezel are corrosion-resistant and handle chlorinated pool water well — rinsing with fresh water after pool sessions is recommended to prevent mineral deposits on the bezel teeth over time.

The Celestor 2 works with Android 5.0+ and iOS 10.0+. The Titan Smart App handles health data (including VO2 Max and HRV trends), watch face customisation, Alexa account linking, notification management, and workout history. The Amazon Alexa integration requires Alexa account sign-in through the app and an internet-connected smartphone. All features work equivalently on Android and iOS.

Bluetooth 5.3 is the most recent Bluetooth standard in Titan's smartwatch range — it provides the most stable pairing, lowest power draw during connection, and the most consistent calling audio quality available in the Titan connected lineup. Titan's nationwide retail service network remains available for in-person support at Titan World, Helios, and World of Titan outlets.

The Celestor 2 carries Titan's most complete health package: continuous HR, SpO₂, multi-stage sleep analysis, HRV-based stress monitoring, VO2 Max estimation, HRV analysis for recovery tracking, guided breathing exercises, step counting, calorie burn, distance tracking, aggregated Health Score, and female cycle tracking. The combination of VO2 Max and HRV makes the Celestor 2 the only Titan smartwatch to offer both — VO2 Max for fitness progression, HRV for daily recovery readiness.

HRV analysis on the Celestor 2 tracks beat-to-beat variation in the heart, which correlates with autonomic nervous system health and recovery state. Low HRV readings typically indicate the body needs rest; high HRV suggests good recovery. Athletes and active users can combine VO2 Max trending with HRV to make informed decisions about training intensity on any given day. All data is visualised in the Titan Smart app with trend analysis over days, weeks, and months.