Longines Master Collection Retrograde

Case
Shape: Round
Material: Stainless steel
Glass: Scratch-resistant sapphire crystal
Case Back: Transparent case back with sapphire crystal
Dimension: Ø 41.00 mm
Lug distance: 20 mm
Lug-to-lug: 48.80 mm
Thickness: 16.40 mm
Water Resistance: Water-resistant to 3 bar
Weight: 189.8 g

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

Movement & Functions
Movement Type: Automatic
Functions: Hours, minutes. Retrograde hand displays: day at 12 o'clock, date on the right hand side of the dial, small second at 6 o'clock, and 24 hours second time zone on the left hand side of the dial. Moonphase display at 6 o’clock and day/night indicator at 12
Caliber: L707
Movement Description: Self winding mechanical movement beating at 28'800 vibrations per hour and providing 48 hours of power reserve
Special Functions: 4 retrograde functions

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

Reference
L2.738.4.71.6