Tissot Seastar 1000 Chronograph T1204171104100 45.5mm – Swiss quartz dive chronograph in stainless steel with blue dial and 300-meter water resistance.
This sport-luxury timepiece from the T-Sport collection merges professional diving capability with Swiss precision chronograph timing through robust construction and legible design. The unidirectional aluminum bezel paired with SuperLuminova hands and markers ensures visibility during underwater navigation while the ETA G10.212 caliber delivers split-second accuracy across three chronograph subdials, making this watch ideal for active professionals who demand performance backed by Swiss heritage and screw-down crown security rated to 30 bar pressure.
| Benefits |
| 300-meter water resistance with screw-down crown and caseback supports recreational diving, snorkeling, and water sports without concern |
| Swiss quartz chronograph movement provides accurate timing functions with minimal maintenance beyond battery service every few years |
| Sapphire crystal with double-sided antireflective coating resists scratches while enhancing legibility under direct sunlight and underwater conditions |
| Key features |
| Unidirectional rotating aluminum bezel ring allows elapsed time tracking during dives with secure anti-clockwise operation |
| SuperLuminova coating on hands and markers provides extended glow duration for nighttime and deep-water visibility |
| Quick-release bracelet system enables tool-free strap changes for personalization and versatility across activities |
| Who it's for |
| Men seeking a professional-grade dive watch with chronograph complications for water sports and active lifestyles |
| Watch enthusiasts who value Swiss quartz reliability and appreciate diving aesthetics with accessible pricing under luxury Swiss brands |
| How to use |
| Rotate bezel to align triangle marker with minute hand before timed activities; chronograph pushers control start, stop, and reset functions |
| Diver extension clasp accommodates wetsuit thickness while folding safety clasp prevents accidental opening during activity |
| Specs |
| Movement |
Swiss quartz ETA G10.212, chronograph with 30-minute and 1/10 second counters, central 60-second hand |
| Case |
316L stainless steel, 45.5mm diameter, 13mm thickness, round shape, screw-down crown and caseback |
| Dial |
Blue sunray with silver baton markers, date display between 4 and 5 o'clock |
| Bezel |
Unidirectional aluminum ring |
| Bracelet |
Stainless steel with folding clasp, safety lock, and diver extension, quick-release system, 22mm lug width |
| Crystal |
Sapphire with double-sided antireflective coating |
| Water resistance |
300 meters, 30 bar, 1000 feet |
| Weight |
Approximately 182 grams |
| Model |
T1204171104100 |
| UPC |
7611608287620 |
