Sinn 140 St SvsBreitling Super Avi B04 Chronograph GMT 46 P 51 Mustang

The Sinn 140 St S is praised for its functional tool watch design and space-flight heritage, incorporating a central chronograph minute hand and Ar-Dehumidifying Technology. Owners note the Tegimented hardened case and bracelet offer durability, with one reporting excellent condition despite minor marks. The 44mm size is considered wearable, though the SZ01 movement, based on the ETA 7750, has a rotor wobble that may not appeal to all. Overall, owners and reviewers value the Sinn 140 St S for its robust build and historical connection.

Owners praise the Breitling Super Avi B04 Chronograph GMT 46 P 51 Mustang for its amazing quality and successful blend of aviation heritage with watchmaking, featuring a crisp look with a sharp polished bezel and brushed case. Some owners find the 46mm size and 16mm thickness considerable and too large for smaller wrists, while others report it wears smaller than its dimensions suggest. The Breitling Super Avi B04 Chronograph GMT 46 P 51 Mustang includes a 12-hour chronograph and a 24-hour GMT complication, with a quick-set date, though the date window is seen as a departure from historical references. On balance, owners and reviewers appreciate the Breitling Super Avi B04 Chronograph GMT 46 P 51 Mustang for its build quality and functional complications, despite some reservations about its substantial size.