description
Hand-wound chronographs offer a ritual that automatics cannot: each morning you wind the crown and feel the mainspring come alive. The Longines Spirit Pilot Flyback brings that experience to a compact 39.5mm aviation chronograph, and on brown leather it has the look of a vintage flight instrument.
Longines patented a flyback chronograph on June 16, 1936, a breakthrough that let pilots reset and restart timing with one push as they flew successive legs. Launched for 2025, reference L3.721.4.53.2 revives that function with caliber L792.4, a manually wound column-wheel chronograph running at 28,800 vph with a silicon balance spring and up to 68 hours of reserve. It is COSC-certified, and you can admire it through the transparent screw-down caseback.
The layout is clean: small seconds at 9, a 30-minute counter at 3, ten gilt applied numerals and gilt hands on matte black. A black ceramic countdown bezel turns in both directions, and the box-shaped sapphire crystal adds vintage depth. At 13.4mm thick it wears far slimmer than most automatic chronographs.
Spirit Pilot Flyback 39.5mm, Ref. L3.721.4.53.2
- Case: steel, 39.5mm by 13.4mm, 20mm lugs
- Dial: matte black, gilt numerals and hands with Super-LumiNova
- Bezel: bidirectional black ceramic countdown scale
- Movement: hand-wound L792.4 column-wheel flyback, COSC
- Power reserve: up to 68 hours
- Crystal: box-shaped sapphire; transparent caseback
- Water resistance: 100m
- Strap: brown leather with folding clasp
A connoisseur's chronograph that rewards the daily wind.
Product Specifications
- SKU: L37214532
- Movement: Hand Wind
- Water Resistance: 10
- Power Reserve: 68
- Case Material: Stainless Steel
- Case Height: 13.4
- Case Size: 39.5
- Case Color: Silver
- Crystal Type: Sapphire
- Dial Color: Black
- Strap Material: Leather
- Buckle Type: Tang
- Lug Width: 20.0
- Weight: 0.0
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