Watch is in great shape and worn only a handful of times.  It's a Helson Skindiver steel model in orange with indexes (no numbers) and date.  

I think the only mark is a little scratch on the metal see picture 17 and 20.

From Helson:

Specifications:

--Case: Brushed 316L surgical stainless steel - Ø 41 mm -

height 14.5 mm - length 52mm - lug distance 20 mm.

--Weight: 120g on rubber strap / 150g on the optional mesh

band

--Crown: Screwed

--Crystal: Sapphire - 5.5 mm thick - vintage domed - inside

AR coated.

--Water resistance: 300m

--Dial, hands and bezel markers coated with swiss

SuperLuminova

--Bezel: Sapphire flat

--Bracelet: 20mm CUDA strap

--Movement: 24 Jewel Japanese Miyota 9015 automatic

AI  description:

This is a stunning HELSON Skindiver wristwatch with a 41mm stainless steel case and an eye-catching black and orange dial. It features a mechanical (automatic) movement, a rubber band in black, and is water-resistant up to 300 meters. The watch comes with its original box and paperwork, making it an excellent addition to any watch collection.

This timepiece is designed for men and has a maximum wrist size of 7.26-7.5 inches. It's a wristwatch that falls under the categories of Wristwatches, Watches, Watches, Parts & Accessories, and Jewelry & Watches. While it's an unfortunate truth that the watch's condition cannot be mentioned in this description, the photos speak for themselves. This HELSON Skindiver steel watch is a rare find that is sold out with an MSRP of $749.