Son Ye-jin wore these luxury watches in K-drama Thirty-Nine

Jaeger-LeCoultre Reverso Classic Duetto, $20,700

Credit: JTBC/Thirty-Nine

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In the show, Son Ye-jin wore Jaeger-LeCoulture's most iconic flip-style watch, the Reverso Classic. Drawing on Art Deco aesthetics, the rectangular case is elegant and classy while being flanked by two rows of diamonds. This watch has a silver opal face on one side and a blue lacquered dial on the other, making it flexible for both day and night.

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Jaeger-LeCoultre Reverso Classic Monoface, $20,000

Credit: JTBC/Thirty-Nine

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The Reverso Classic also has a single-sided version, with a dial and an engraved surface. The dial features Arabic numerals, and there are various colours of alligator leather straps to choose from. Son Ye-jin wore a black strap to match her black suit for an ultra-professional look in episode 5.

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Piaget Polo Date Watch, $75,000

Credit: JTBC/Thirty-Nine

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As the show features women at the cusp of hitting 40, the styling reflects the maturity and wisdom of their age. This rose gold mechanical watch appeared many times. Here, Son Ye-jin paired it with Piaget Possession rose gold earrings to exude a polished image befitting of her character's status.

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Piaget Polo Date Watch, $19,400

Credit: JTBC/Thirty-Nine

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If you're looking for a more accessible Piaget model, consider this one. Son Ye-jin wore this steel version to match her blue striped top, Delvaux handbag and Piaget Possession Open Hoop white gold earrings. The overall look was stylish without being too serious.

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Hermès Cape Cod Martelee Watch, price unavailable

Credit: JTBC/Thirty-Nine

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This Hermès watch also made a few appearances in Thirty-Nine. The Cape Cod watch was first conceived in 1991 by Henri d'Origny and has a unique silhouette of a square within a rectangle. The watch is also composed of two Chaîne d'Ancre links, another iconic motif created by Robert Dumas in 1938 that was inspired by anchor chains. While the watch looks rough and bumpy, it is actually a result of the beating technique used in the watch's craftsmanship.

Longines DolceVita, $2,010

Credit: JTBC/Thirty-Nine

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A successful businesswoman knows to choose an elegant, good-quality watch. This Longines watch Son Ye-jin wore is just that -- cost-effective with excellent performance. The watch features Roman numeral hour markers that complement the rectangular watch face. We love how she paired it with a silk top to show off a relaxed yet professional side.

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This article was first published in NUYOU. Translation and additional reporting by Ho Guo Xiong.