Ref. L3.721.4.53.2
The Longines Spirit Pilot Flyback, reference L3.721.4.53.2, is a chronometer-certified flyback chronograph with a 39.5 mm steel case. The matt black dial has applied Arabic numerals and gilt hands. Case thickness is 13.4 mm, with a lug-to-lug measurement of 47.4 mm and water resistance rated to 100 metres. Manual-winding calibre L792.4 has approximately 68 hours of power reserve beneath a transparent case back. A bidirectional rotating ceramic bezel surrounds the sapphire crystal. A brown calf leather strap closes with a folding clasp with micro adjustment. Small seconds appear at 9 o'clock.
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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
Calf Skin
Clasp Type
Fold Clasp
FEATURES & COMPLICATIONS
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FOR WATCH DEALERS
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