About This Watch
The Longines Master Collection Moonphase is the dress watch that transformed expectations about what a sub-$2,500 timepiece could offer in terms of complications and finishing. The silver barleycorn-textured dial provides a canvas of restrained elegance, while the moonphase display at 6 o'clock — featuring a finely engraved moon against a deep blue enamel-effect background — adds the kind of poetic complication that has enchanted watch lovers for centuries. The moonphase mechanism is accurate to within one day every 122.5 years, requiring correction only once per decade for all practical purposes. At 40mm with a svelte 10.5mm thickness, the Master Collection Moonphase slips effortlessly under shirt cuffs and wears with the understated elegance expected of a dress watch. The L899 caliber, an exclusive Longines movement based on the ETA A31.L01 platform, features a silicon hairspring for enhanced accuracy and magnetic resistance alongside the 72-hour power reserve that has become the brand's calling card. The brown alligator strap with folding clasp completes the classical picture, though the lugs accept quick-change straps for versatility. Competitors offering moonphase complications at comparable quality typically start well above the $3,000 threshold — the Frederique Constant Slimline Moonphase and Montblanc Heritage are both priced higher. The Master Collection Moonphase represents Longines' core value proposition distilled: a complication that once required significant financial commitment, delivered with Swiss precision and heritage at a price that makes haute horlogerie complications genuinely accessible.
Specifications
Movement
| Movement Type | Automatic |
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| Caliber | L899 |
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| Power Reserve | 72 hours |
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| Frequency | 25,200 vph |
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| Jewels | 21 |
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Case
| Case Diameter | 40.0mm |
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| Case Thickness | 10.5mm |
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| Case Material | Stainless Steel |
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| Crystal | Sapphire |
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| Bezel | Fixed, polished |
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| Dial Color | Silver |
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| Lug Width | 20mm |
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| Lug-to-Lug | 47.0mm |
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Features
| Water Resistance | 30m / 98ft |
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| Bracelet/Strap | Brown alligator leather strap |
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| Clasp | Folding clasp |
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| Weight | 75g |
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| Complications | DateMoonphase |
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