154. 154Y Jaeger-LeCoultre. Belle et rare montre bracelet en platine (950) à répétition minute en édition limitée mouvement mécanique Jaeger-LeCoultre. A fine and rare Limited Edition platinum manual wind minute repeating wristwatch Model: Master Minute Repeater Antoine LeCoultre Reference: 164.64.20, Limited Edition No.174/200 Date: Circa 2006 Movement: 43-jewel Cal.947 manual wind, mono-metallic balance, shock protection, blued screws, two hammers striking on a gong, nickel silver movement bridges and plate, 15-day power reserve Dial: Silvered, applied polished faceted dart hour markers, polished Arabic quarters, black outer minute divisions with luminous dot 5 minute markers, barrel torque and power reserve indication at 4 and 8 over apertures displaying movement, polished faceted dagger hands with luminous inserts Case: Polished heavy round, exhibition back secured by 4 screws, repeating slide at 9, No.J151667S-177 Strap/Bracelet: Black Jaeger-LeCoultre alligator leather Buckle/Clasp: Signed 18K white gold double folding clasp Signed: Case, dial & movement Size: 44mm Weight: 207,36g Accompaniments: Jaeger-LeCoultre fitted box, outer card, undated Guarantee Certificate, Instructions for use, technical data sheet, Service letter dated 16/03/2022 Jaeger-LeCoultre released the outstanding reference 164.64.20 to commemorate the brands 175th anniversary. Fitted with the calibre 947, the watch has an impressive 15 day power reserve, the longest for any manually wound movement. The Torque indicator provides important information about the tension of the mainspring, which allows optimum accuracy of all aspects of the watch. It is considered to be under tension at or below 53dNmm, and over at 65dNmm. This information is useful for the user to determine if the watch is running at optimum operating performance.