B-42 Stratoliner Chronograph (665.10.11.M)

The Fortis B-42 Stratoliner Day Date Chronograph stands out because it combines a tough pilot-watch design with a reliable automatic chronograph movement. It offers excellent legibility, durable construction, and practical day and date functions, making it a dependable watch for both daily wear and aviation enthusiasts.

The Fortis B-42 Stratoliner Day Date Chronograph has a clean and sporty design that is easy to read. The dial features large hands and bold hour markers with strong luminous coating, so you can check the time in low light. The day and date display adds extra everyday function, while the chronograph sub-dials give the watch a balanced look. The stainless steel case feels solid and durable, and the sapphire crystal protects the dial from scratches. The stainless steel bracelet is comfortable, well made, and includes a secure clasp for daily wear.

Inside the watch is a reliable automatic chronograph movement based on the ETA/Valjoux 7750. This movement has earned a strong reputation for accuracy, durability, and easy servicing. It powers the time, day, date, and chronograph functions with smooth and dependable performance. The automatic winding system keeps the watch running with regular wear, while the movement offers a power reserve of around 48 hours when fully wound.

The B-42 Stratoliner Day Date Chronograph comes from Fortis's long tradition of building tough tool watches. Fortis introduced the B-42 collection to create reliable watches for pilots, professionals, and everyday enthusiasts. The Stratoliner name reflects aviation and high-altitude flight, matching the brand's focus on functional and dependable timepieces. Over the years, the B-42 Stratoliner has become popular among collectors because of its rugged construction, practical features, and classic pilot-watch style.

The watch appears in very good condition. excellent condition. The case, bezel, and crystal look clean with no visible damage.

What do the different grading scores mean?

• BN 9.9: Brand new and unworn, with no signs of use.
• UN 9.5: Like new and unworn, but may lack original packaging or materials such as the box, links, tags, or bezel protector.
• LN 9.0: Like new and unworn, but only includes the watch without papers, box, or accessories.
• MT 8.5: Mint condition, lightly used with minor surface scratches or wear. Unpolished.
• VG 8.0: Moderately used, with scratches and one or two nicks on the case or crystal. Shows signs of polishing. The bracelet remains snug with minimal wear.
• GD 7.5: Shows signs of daily wear but is not abused, with noticeable polishing on the case. The bracelet shows clear signs of daily wear.

Watches with a rating below GD 7.5 are not listed for bidding to ensure that only high-quality timepieces are available to our members.