Longines Master Collection Moonphase

Case
Shape: Round
Material: Stainless steel
Glass: Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides
Case Back: Transparent case back with sapphire crystal
Dimension: Ø 34.00 mm
Lug distance: 18 mm
Lug-to-lug: 41.70 mm
Thickness: 11.10 mm
Water Resistance: Water-resistant to 3 bar
Weight: 105.1 g

Dial & Hands
Dial color: Silver "barleycorn"
Hour markers: Painted Arabic numerals
Hands: Blued steel hands

Movement & Functions
Movement Type: Automatic
Functions: Hours, minutes, seconds, moon phase display and date indicated by small hand at 6 o'clock
Caliber: L899
Movement Description: Self-winding mechanical movement beating at 25'200 vibrations per hour, with a power reserve up to 72 hours
Special Functions: Moon-phase

Strap
Material: Stainless steel
Buckle: With triple safety folding clasp and push-piece opening mechanism

Reference
L2.409.4.78.6