DAVOSA Ternos Professional Collection
The Ternos Professional is DAVOSA's flagship line of serious diving watches - built for working divers and enthusiasts who want a watch that keeps up with them in the water. Every model is ISO 6425 certified, features a Swiss automatic movement, and is pressure-tested beyond its rated depth. Water resistance ranges from 200m to 500m, with sapphire crystal and SuperLumiNova BGW9 lume standard across the entire range.
Key Features
- ISO 6425 Certified - the international standard for professional diver's watches
- Swiss Automatic Movement - ETA 2824-2 or Sellita SW200; GMT and Chrono variants use Valjoux 7750
- Sapphire Crystal with anti-reflective coating, both sides
- Unidirectional 60-Click Rotating Bezel - ceramic insert on select models
- SuperLumiNova BGW9 - maximum lume visibility underwater
- Screw-Down Crown and solid caseback
- 316L Stainless Steel case, 42-44mm diameter
- Free Shipping throughout the USA
Model Families
| Model | Water Resistance | Movement | Special Feature | Price From |
|---|---|---|---|---|
| Ternos Professional GMT | 200m | Swiss Auto GMT | Dual time zone, 4 colorways | $1,590 |
| Ternos Professional 68h | 300m | Swiss Auto, 68h PR | Extended power reserve, PentaLink bracelet | $1,395 |
| Ternos Professional 68h Eagle Bay | 300m | Swiss Auto, 68h PR | Vintage-inspired cushion case | $1,450 |
| Ternos Professional Nebulous | 200-300m | Swiss Auto | Skeletonized open-worked dial | $1,195 |
| Ternos Professional Megalume | 200m | Swiss Auto | DLC coating, triple-lume system | $1,160 |
| Ternos Professional Chronograph | 200m | Valjoux 7750 | Flyback chronograph, tachymeter bezel | $2,795 |
Choosing the Right Model
- Frequent travelers: GMT - reads two time zones at a glance
- Extended dive expeditions: 68h - three days without winding
- Night dives / low visibility: Megalume - triple-lume for maximum readability
- Vintage aesthetic: Eagle Bay - 1960s cushion-case silhouette
- Timing surface intervals: Chronograph with Valjoux 7750
Frequently Asked Questions
- Is the Ternos Professional ISO 6425 certified?
- Yes. Every Ternos Professional holds ISO 6425 certification - the international benchmark for professional diving watches. This requires shock resistance, anti-magnetic protection, underwater legibility, and pressure testing at 125% of rated depth.
- What movement is inside the Ternos Professional?
- Standard models use ETA 2824-2 or Sellita SW200 (25 jewels, 28,800 bph, ~38-hour power reserve). GMT models use a dedicated Swiss GMT caliber. The Chronograph uses the Valjoux 7750 automatic flyback movement.
- Does the Ternos Professional have a helium escape valve?
- Select 300m and 500m models include a screw-in helium escape valve (HEV) for saturation diving. Check the individual product page for HEV confirmation on each reference.
- What is the 68h power reserve?
- The 68h subfamily uses a movement with an extended 68-hour power reserve - approximately three days of running time without winding, ideal for liveaboard dive trips.
- What bracelet options exist?
- Ternos Professional models are available on rubber straps, TriaLink steel bracelets, or the premium PentaLink bracelet with WaveSlide micro-adjustment clasp. Spare bracelets and rubber straps are sold separately.
