The luxury Apple Watch case brand GOLDEN CONCEPT has released a new, cool and stylish product this summer: the SIERRA BLUE EDITION.

This summer, the high-end Apple Watch case brand “GOLDEN CONCEPT” has released a new, cool and stylish product, “SIERRA BLUE EDITION.” ​
PRINCIPE Co., Ltd. prive Press release: June 10, 2025 To the press Luxury Apple Watch case brand “GOLDEN Golden Concept has released a new, refreshing “SIERRA BLUE EDITION” this summer. It is now on sale at the Golden Concept Japan official website and at all directly managed stores.
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-05453348bd4366fa2e5a4f54a195ad58-1400×2022.jpg This summer, the new “SIERRA BLUE EDITION” has been released from the popular RACING SPORT series of the Swedish luxury Apple Watch case brand “GOLDEN CONCEPT”. The beautiful harmony between the delicate pattern on the matte carbon case and the vibrant blue strap will look even more beautiful in the coming season, bringing a dignified presence to your wrist. Sales have begun at the Golden Concept official website (
https://goldenconcept.jp/collections/sierra-blue-edition ) and at each directly managed store.
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-74554559a5b83e1d22989e9f7fd7667a-1400×1400.jpg INTRODUCING SIERRA BLUE The matte carbon case features a unique pattern created by carving out compressed carbon, which blends beautifully with the polished silver accents. The vibrant blue strap enhances the luxurious presence, making this a watch that is both sophisticated and tough.
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-50429363073dcf7e995a1bd419170dac-1400×1400.jpg HATCH-BEZEL(R) The patented unique mechanism “Hatch Bezel” allows you to put on and take off your Apple Watch with one touch. You can also smoothly change the case, so you can freely change your style according to any scene, from business to leisure. In addition, cleaning the case and watch body is now easier, making daily use smarter.
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-31aae685d0a21d955a77391fee9a129a-1400×1400.jpg TPC-CARBON The case is made of “TPC carbon”, a carbon fiber that combines lightness and strength at a high level. It is an advanced material that is also used in racing cars, architecture, watches, etc., and by minimizing the surface volume, it has a lighter finish than conventional carbon products.
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-7b9223bb6913a2f219f46d567c079f4c-1400×1400.jpg SNAP ON STRAP Equipped with a new mechanism “Snap-on Strap” that allows you to attach and remove the strap without tools. By combining it with a wide variety of replacement straps in a wide range of colors, you can easily enjoy changing the image to suit the season, style, and mood.
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-f0a84a0141af2c28773fa0be84abb2d3-1400×1400.jpg LUXURIOUS UNBOXING The product is packaged in a clear box with a transparent and sophisticated design. In order to maximize the appeal of the product, the opening structure has been carefully designed with ingenuity. It is not just a package, but a luxurious and fascinating “unboxing experience”. SIERRA BLUE EDITION
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-cf93345e41c9efc99716f5269098625b-1920×1920.png RSCIII46 – Sierra Blue ¥297,000 (tax included)
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-1d42e1ba04debdb7ecbd747595ce89fc-1920×1920.png
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-1a322aa0104c7afe5948b30c53a894e9-1920×1920.png Collection:RSCIII46 – Sierra Blue Sale price:297,000 yen (tax included) Compatibility:Apple Watch Series 10 – 46 mm
Material:Stainless steel, high-performance carbon Case size:45,6 x 52,9 mm Strap:Rubber strap, deployment buckle Waterproof:Apple Watch Waterproofing equivalent to that of Accessories: Dedicated clear box
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-a6ccae0306b05f872150066f7f001429-1920×1920.png RSCIII49 – Sierra Blue ¥319,000 (tax included)
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-94c403eea8568c4e29494c7955dbebed-1920×1920.png
https://prcdn.freetls.fastly.net/release_image/16079/714/16079-714-712de2cd633a1161e1adeb878bcb66d9-1920×1920.png Collection: RSCIII49 – Sierra Blue Sale price: 319,000 yen (tax included) Compatibility:Apple Watch ULTRA – 49 mm Material:Stainless steel, high-performance carbon Case size:52,9 mm x 45,6 mm
Strap:Rubber strap, deployant buckle Waterproof:Same as Apple Watch Accessories:Special clear box Sales Stores Golden Concept Omotesando Store 1F, 3-5-19 Kita-Aoyama, Minato-ku, Tokyo 03-6427-4368 GOLDEN CONCEPT Daimaru Umeda Store 3-1-1 Umeda, Kita-ku, Osaka Daimaru Umeda Store 8th floor Business hours: 10:00 – 20:00 050-5785-1216 Closed: None (except New Year’s holidays) Golden Concept Japan Official Website https://goldenconcept.jp/collections/sierra-blue-edition About GOLDEN CONCEPT Founded in 2015 in Sweden by designer Puia
Shamsossadati. A lifestyle luxury brand that offers a wide range of products that combine high-tech materials and luxury, including high-end Apple Watch cases. Official website: https://goldenconcept.jp Instagram: (home country) https://www.instagram.com/GoldenConcept/ (Japan)https://www.instagram.com/GoldenConcept.jpn/ *This email has been sent automatically, so please do not reply.