It is always ready for action, ticks automatically, and knows the date. Ahoi date Atlantic is waterproof up to 200 meters and is equally appropriate for recreation in the mountains, in the city, by the sea. A robust steel case, with a sapphire crystal back with six screws and the crown guard, prevent water and dust from entering the movement. The NOMOS DUW 5101 automatic caliber was made in Glashütte tradition and is equipped with the NOMOS swing system, the now-famous escapement that demonstrates the caliber that achieves the very best accuracy.

Ref. 558

Fancy a dive? No problem. This watch is waterproof up to 200 meters. The hands and numerals illuminate green and the textile strap dries quickly. Ahoi Atlantic date with a clean dial design. Sunny indexes with a light green outline provide motivation for outdoor recreation. Doubly secure, the crown is screwed down tightly and is also protected from water and impact by the crown guard. The date window at six o'clock is nice and large to quickly navigate your vacation schedule.


TECHNICAL SPECIFICATIONS
Case
- Stainless steel
- Bipartite sapphire crystal glass back fixed with six screws
- Screw down crown
- Crown guard
Glass
Domed sapphire crystal with anti-reflective coating inside and out
Winding
Automatic
Dimensions
- 40.3 mm diameter
- 10.6 mm height
- 51.0 mm lug-to-lug
Water Resistance
20 atm (suitable for diving)
Dial
- Atlantic blue
- Hour indexes with sand-colored superluminova and green outlines
- Date window at six o'clock
Hands
- Rhodium-plated with superluminova inlay in white
- Seconds hand red
Strap
- Textile strap
- Blue-black
- Woven
- Waterproof lug width 20mm
Clasp
- Winged clasp
- Square
- Stainless steel
Calibre
DUW 5101 automatic
Movement height
4.3mm
Diameter
13 3/4 lines (31 mm)
Power reserve
Up to 42 hours
Jewels
26

Oster Jewelers is an Authorized NOMOS Retailer