Historically, Longines has accompanied legendary pioneers as they conquer air, land and sea. Today, the winged hourglass brand has drawn inspiration from this heritage to create Longines Spirit, a collection with an impeccable pedigree. This collection links history with innovation by combining references to the glory days of aviation with present-day aesthetic and technical requirements. These resolutely contemporary timepieces are a testimony to the pioneering spirit that has inspired the brand since its earliest days. A glowing tribute to these exceptional men and women who, by a record, an exploit or a display of courage, have left their mark on history - pushing new generations to surpass themselves. Specifications Brand: LonginesCollection: AvigationModel: SpiritCase material: Stainless steelDial colour: Black mattStrap colour: BrownCase diameter: 42.00 mmStrap: Leather strapMovement: Automatic Time display: Analog
Product reference: 4500491
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180 years of legacy
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180 years of legacy
Experience our craftmanship
Visit our boutique
The 4C's
The 4C's of a diamond are the four key characteristics that determine the quality and value of a diamond: cut, carat weight, color, and clarity. Together, these four characteristics are used to evaluate the quality and value of a diamond, and are considered when determining a diamond's price.
Carat
The weight of a diamond is expressed in carats and points (1 ct = 100pt). ‘Carats’ come from ‘Carob’ seeds, which were originally used for their constant weight in nature (1 ct = 0.2 g). The carat and the color are the factors that influence the most the final price of the diamond.
Clarity
The clarity is a gemstone's relative freedom from internal imperfections. These imperfections are observed with a x10 magnifier ('loupe') and affect the final value of the diamond differently.
Color
Diamonds are found in nature in different colors. White diamonds can be more or less yellow and are categorised with a letter between D (commonly known as ‘River’) to Z . The different naming systems vary depending on the certifier. Diamonds are also found in all colors; the rarest colors are classified as Fancy-colored diamonds.
Cut
The cut is the diamond’s shape. A cut grade describes the proportions of the cut and the quality of its symmetry and polish. A perfect cut makes the best sparkle.