Longines Master Collection

Case
Shape: Round
Material: Stainless steel
Glass: Scratch-resistant sapphire crystal
Case Back: Transparent case back with sapphire crystal
Dimension: Ø 42.00 mm
Lug distance: 21 mm
Lug-to-lug: 49.70 mm
Thickness: 10.80 mm
Water Resistance: Water-resistant to 3 bar
Weight: 164.1 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, month and date by annual calendar
Caliber: L897
Movement Description: Self-winding mechanical movement beating at 25'200 vibrations per hour, with a power reserve up to 72 hours

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

Reference
L2.920.4.78.6