Ref. L3.721.4.53.6
The Longines Spirit Pilot Flyback, reference L3.721.4.53.6, is a chronograph with a 39.5 mm round case in steel. The watch is chronometer-certified and has a flyback function. The case is 13.4 mm thick and 47.4 mm lug-to-lug, with water resistance rated to 100 metres. Manual-winding calibre L792.4 provides approximately 68 hours of power reserve and is visible through a transparent case back. The black matt dial carries applied Arabic numerals alongside gilt hands. A steel bracelet fastens with a double security folding clasp with a micro adjustment system. A scratch-resistant sapphire crystal covers the hour and minute display, with several layers of anti-reflective coating on both sides.
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TECHNICAL SPECIFICATIONS
GENERAL
Gender
Unisex
CASE
Diameter
39.5mm
Thickness
13.4mm
Lug to Lug
47.4mm
Lug Width
20mm
Case Material
Steel
Water Resistance
100m
Crystal
Sapphire Crystal
Bezel Material
Ceramic
MOVEMENT
Movement Type
Manual Winding
Caliber
L792.4
Power Reserve
68h
Frequency
28,800 vph (4 Hz)
DIAL
Dial Color
Black
Numerals
Arabic Numerals
BRACELET/STRAP
Bracelet/Strap
Steel
Clasp Type
Fold Clasp
FEATURES & COMPLICATIONS
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FOR WATCH DEALERS
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