Three new colors for the Longines Flagship Heritage Moon Phase, now available in green, anthracite and Havana beige
Longines caliber L899.5 (base ETA caliber A31.L91) | Automatic | Diameter: 25.60 mm (11½ lignes) | Thickness: 3.85 mm | Frequency: 25,200 vph (3.5 Hz) | Jewels: 21 | Stop-second device. anti-magnetic silicon balance spring | Hours, minutes, seconds, date, moon phase | Power reserve: 72 hours
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This movement is probably an updated version of the Longines caliber L899.2. The L899.2 has a power reserve of 64 hours, the L899.5 reaches 72 hours. The L899.5 has a silicium balance spring, while the L899.2 might have a Nivachron balance spring, a titanium-based metal alloy.
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Watches with the Longines caliber L899.5
A new dress watch by Longines in the Heritage series (Est. 1957): the Longines Flagship Heritage Moon Phase with integrated date