{"product_id":"san-martin-guilloche-pearl-diver-sn0150","title":"San Martin Guilloche Pearl Diver","description":"\u003ch2\u003eGuilloche Pearl Diver — Overview\u003c\/h2\u003e\n\u003cp\u003eThe Guilloche Pearl Diver automatic watch represents a distinctive entry into the diver timepiece segment, combining Japanese mechanical movement with a uniquely textured mother-of-pearl dial. This 39mm wristwatch features a screw-down crown, 100-meter water resistance, and a solid 316L stainless steel case that appeals to collectors seeking something beyond conventional dive watch design. The Guilloche Pearl Diver watch delivers dressy elegance alongside functional dive specifications, making it equally at home on a leather strap or steel bracelet.\u003c\/p\u003e\n\n\u003ch2\u003eMovement \u0026amp; Performance\u003c\/h2\u003e\n\u003cp\u003eAt the heart of this timepiece sits the Japanese-made Miyota 9015 automatic movement—a signature ultra-thin caliber respected for reliability and accuracy. This self-winding mechanism oscillates at 28,800 vibrations per hour and houses 24 jewels, ensuring smooth operation across temperature fluctuations. The Miyota 9015 movement delivers a 42-hour power reserve, meaning the watch remains accurate even after two days without wearing. For owners comparing caliber performance, the Miyota 9015 represents excellent value against costlier alternatives at this price point. The automatic watch includes both automatic winding and manual hand-wind capability—simply rotate the crown 15 times clockwise when unwound to supplement energy. How accurate is the Miyota 9015? This Japanese caliber maintains chronometer-grade consistency when worn regularly for 8+ hours daily, making it ideal for professionals and dive enthusiasts alike.\u003c\/p\u003e\n\n\u003ch2\u003eDesign \u0026amp; Build Quality\u003c\/h2\u003e\n\u003cp\u003eThis Guilloche Pearl Diver showcases a 39mm case diameter—a sweet spot for men's wristwatches offering substantial presence without excessive lug-to-lug measurements of 46.5mm. The 10.2mm thickness ensures comfortable under-cuff wear. The distinctive mother-of-pearl dial features a hand-applied guilloche pattern available in multiple gradient colorways: black, white, purple-blue, blue-red, and green-yellow variants. Each dial is a one-of-a-kind expression of the original design concept. Beneath the sapphire crystal with anti-reflective coating, the black dial automatic watch reveals applied indices and multi-cut GS Crafts hands bathed in BGW-X1 blue luminous compound for low-light legibility. The screw-down crown with 3D hexagon logo provides tool-less operation, while the solid 316L stainless steel H-link bracelet features brushed surfaces with polished chamfered edges. The on-the-fly adjustable clasp with safety mechanism allows quick sizing adjustments without tools.\u003c\/p\u003e\n\n\u003ch2\u003eWater Resistance \u0026amp; Durability\u003c\/h2\u003e\n\u003cp\u003eRated at 10 bar (100 meters), the Guilloche Pearl Diver 100m dive watch suits recreational diving and water sports. The screw-down case back—oil-pressed and engraved with a maker's mark inspired by Chinese porcelain craftsmanship—preserves interior pressure integrity. Sapphire glass crystal resists scratching while AR coating minimizes reflections, crucial for underwater readability. At approximately 144.4 grams, the bracelet weight feels substantial without fatigue during extended wear sessions.\u003c\/p\u003e\n\n\u003ch2\u003eValue Comparison\u003c\/h2\u003e\n\u003cp\u003eIs the Guilloche Pearl Diver worth it? When positioned against competitors offering similar automatic watch specifications and 100-meter dive capability, this timepiece delivers exceptional value through its original dial concept and Japanese movement quality. The 2-year international warranty and free worldwide shipping remove purchase friction entirely. Unlike mass-production alternatives, each mother-of-pearl dial variant offers visual uniqueness unavailable elsewhere at comparable price levels.\u003c\/p\u003e\n\n\u003ch2\u003eWho Should Buy the Guilloche Pearl Diver\u003c\/h2\u003e\n\u003cp\u003eThis automatic timepiece appeals to collectors seeking dressy diver watches with personality. The 39mm wristwatch suits men with smaller-to-medium wrists, while the mother-of-pearl dial attracts those fatigued by monotone sports watch aesthetics. Professionals valuing the Miyota 9015 movement's proven reliability will appreciate hassle-free operation, while enthusiasts of original design will prize the guilloche pattern unavailable from mainstream manufacturers. The 30-day returns policy ensures risk-free trial periods.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the power reserve on this automatic watch?\u003c\/strong\u003e The Miyota 9015 movement provides 42 hours of energy storage, allowing the watch to run approximately two days without wearing after full manual winding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I adjust the bracelet without tools?\u003c\/strong\u003e Yes—the on-the-fly adjustable clasp with safety feature permits quick sizing changes during wear without removing the watch or using tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the Guilloche Pearl Diver suitable for swimming and snorkeling?\u003c\/strong\u003e Yes. With 100-meter water resistance depth and a screw-down crown, this dive watch performs reliably during recreational water sports and shallow diving scenarios.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the Miyota 9015 compare against competitor movements at similar price points?\u003c\/strong\u003e The Miyota 9015 offers superior finishing, longer power reserve (42 hours vs 40), and proven durability compared to lower-tier ETA clones, while maintaining significantly lower cost than Swiss equivalents.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes the dial unique?\u003c\/strong\u003e The original guilloche mother-of-pearl dial features hand-applied texturing and comes in five gradient colorways—each providing distinct visual character unavailable on conventional black dial automatic watches.\u003c\/p\u003e","brand":"Provn Verified","offers":[{"title":"Green-Yellow MOP","offer_id":53126656852304,"sku":"14:350686#Green-Yellow MOP","price":840.0,"currency_code":"USD","in_stock":true},{"title":"Blue-Red MOP","offer_id":53126656885072,"sku":"14:100005979#Blue-Red MOP","price":840.0,"currency_code":"USD","in_stock":true},{"title":"Guilloche Black MOP","offer_id":53126656917840,"sku":"14:200005100#Guilloche Black MOP","price":840.0,"currency_code":"USD","in_stock":true},{"title":"Purple-Blue MOP","offer_id":53126656950608,"sku":"14:100013777#Purple-Blue MOP","price":840.0,"currency_code":"USD","in_stock":true},{"title":"Guilloche White MOP","offer_id":53126656983376,"sku":"14:200000080#Guilloche White MOP","price":840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/3487\/9056\/files\/10524772761936_San_Martin_Guilloche_Pearl_Diver.png?v=1781468265","url":"https:\/\/provn.store\/products\/san-martin-guilloche-pearl-diver-sn0150","provider":"PROVN CURATES","version":"1.0","type":"link"}