Hamilton Khaki Aviation Takeoff Auto ChronovsMühle-Glashütte S.A.R. Flieger-Chronograph

The Hamilton Khaki Aviation Takeoff Auto Chrono is noted for its distinctive bullhead chronograph design and large 46mm case, featuring a PVD finish and yellow accents. Owners praise its solid construction, precise indices, and smooth bezel action, with some highlighting the detailed champagne dial, crisp printing, and retro hands with good lume. However, its extreme thickness and sizable crown guards are flagged as potentially compromising day-to-day wearability, and one owner criticizes the seconds hand as "tacky." The watch's unique detachable design for a desktop display case and its ability to be mounted on a cockpit dash are seen as novelties for collectors. It uses the Hamilton H-31 automatic chronograph movement. On balance, owners and reviewers appreciate the Hamilton Khaki Aviation Takeoff Auto Chrono for its unique design and pilot-inspired legibility, despite some concerns about its practicality for daily wear.

The Mühle-Glashütte S.A.R. Flieger-Chronograph is seen as a compelling alternative to other tool watches, featuring unique hollow mono-lugs, a 4 o'clock crown with a guard, and an internally-mounted cyclops with a diagonal date window. Reviewers note its German Navy design heritage, a distinctive 8 o'clock chronograph pusher for thumb operation, and a dial that emphasizes 10-second intervals. The watch utilizes a modified movement with German finishing, and its 100m water resistance is considered adequate by some, though a desire for higher ratings for diving limits interest for others. The Flieger dial is widely praised for its aesthetic, though its busyness is a point of contention for some owners. The Mühle-Glashütte S.A.R. Flieger-Chronograph is priced at $4,299 on bracelet and $3,999 on rubber. Overall, owners and reviewers appreciate the Mühle-Glashütte S.A.R.