Antikaya is an online retailer specializing in antiques, vintage finds, collectible objects, and distinctive watches. Its catalogue spans decorative items and historic artifacts, including porcelain and ceramic figures, wall plates, glass objects, lighting, mechanical pieces, coins and banknotes, medals, badges, postcards, books, miniature objects, and vintage records and media. The site also lists kitchenware, jewelry and accessories, prayer beads, tobacco-related collectibles, sewing thimbles, memorabilia, and gift items.

Watches are a prominent part of the offering, with both secondhand vintage examples and newer limited-edition models. Listings include detailed product information such as materials, dimensions, movement type, water resistance, condition, and included accessories. Featured examples range from a 1973 Omega tuning-fork chronometer to automatic and mechanical watches by Orient, Kronen & Söhne, and Sabiha Gökçen. Antikaya presents its products for collectors and shoppers seeking objects with character, craftsmanship, or decorative appeal. Customers can browse and purchase through the online store, which also provides information about shipping, delivery, returns, privacy, and sales terms.