Longines flagship heritage moonphase automatic mens watch L48154922. Stainless steel case with blue alligator strap, sunray blue dial. Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides. Buckle clasp. Automatic movement self-winding mechanical movement beating at 25'200 vibrations per hour, with a monocrystalline silicon balance-spring power reserve up to 72 hours. Water-resistant to 3 bar 30 meters.

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