Longines - Master Collection 40 mm Moon-Phase Roman Numerals - L26734712

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The chronographs in the Longines Master Collection represent the pinnacle of
watchmaking craftsmanship and timeless elegance. 

This emblematic line comprises an array of meticulously crafted chronograph models, each exemplifying Longines’ unwavering commitment to enduring style and technical excellence. 

From the sophistication of the dial to the intricate mechanical movements within, these chronograph watches bear witness to Longines’ storied heritage and expertise in watchmaking.

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: 40 mm
Lug distance: 21 mm
Lug-to-lug: 46.7 mm
Thickness: 14.3 mm
Water Resistance: 3 bar
Weight: 93.8 g

DIAL & HANDS
Dial color: Silver
Hour markers: Applied Roman numerals
Hands: Blued steel hands

Movement 
Type: Automatic
Functions: Hours, minutes, small seconds with 24 hours indicator 
at 9 o'clock. Date indicated by the half moon central hand. 
Moon phase display at 6 o'clock.
Caliber: L687
Movement Description
Self-winding mechanical movement beating at 28'800 vibrations per 
hour, with a monocrystalline silicon balance-spring power reserve 
up to 66 hours
Special Functions
Moon-phase
Chronograph
Column Wheel Chronograph
Chronograph Functions
Chronograph mechanism: central 60 seconds hand, moon phase display 
with 12 hours counter at 6 o'clock and 30 minutes counter with day 
and month display at 12 o'clock

STRAP
Material: Alligator strap
Color: Blue
Buckle: With triple safety folding clasp and push-piece opening 
mechanism