The Longines Flagship Heritage Moonphase, introduced in 2023, uses the self-winding L899.5 and shows moon phase and date at 6 o'clock. Reference L4.815.4.72.2 is in stainless steel with a silver dial.
Movement Type
Automatic
Caliber
L899.5Jewels
21
Reserve
64
Frequency
25200
Hands
Small Seconds
Shape
Round
Lug Distance
19.00 mm
Material
Stainless Steel
Glass
Sapphire
Thickness
12.40 mm
Diameter
38.50 mm
Water Resistance
30.00 m
Dial Color
Silver