OLTO-8

OLTO-8 is a Hong Kong-based watch brand that officially launched in 2020, though some brand history notes its establishment as a company as early as 2018. The brand focuses on re-engineering traditional complications to create unconventional mechanical time-reading displays through modern industrial design. Its name is derived from the Italian pronunciation of the number eight, symbolizing infinity and the balance of life through three eight-hour cycles of sleep, work, and entertainment.

The brand is often favored by enthusiasts for its bold, automotive-inspired aesthetics and its commitment to technical innovation at an accessible price point. Collectors are particularly drawn to the unique ways OLTO-8 watches display time, often utilizing modified movements to achieve complex visual effects like jumping hours or wandering hour displays. The use of high-specification materials such as titanium, 316L stainless steel, and double-domed sapphire crystals further contributes to the brand’s reputation for industrial craftsmanship.

OLTO-8’s catalog is headlined by several distinctive collections: – Chrono Gate: A notable series inspired by mid-century aviation watches like the Gruen Airflight, featuring a reciprocating 24-hour jumping complication where dial numerals instantaneously transition between 1-12 and 13-24 formats.
– Infinity II: A collection that stands out for its multi-layered semicircle dial and double-ended hour hand, which presents time in a format reminiscent of a racing car’s speedometer.
– Roto: This model is recognized as a slim wandering hour watch that employs a modified Miyota 9039 movement to achieve its unconventional display.
– King: A series inspired by the aesthetics of casino and poker cards, showcasing a refined 3D satellite hour wheel and intricate case finishing.
– Tide X: A skeletonized design centered on the concept of an “Underwater Mechanical City,” allowing the wearer to see the inner workings of the automatic movement.

Last update:

24 October, 2026

Founded in 

2020

Based in 

SomeOLTO-8 watches

The OLTO-8 SHOT Skeleton Automatic is a 41 mm watch with a stainless steel case.
The OLTO-8 TIDE X is a 49.5 mm watch with a 316l stainless steel case.
The OLTO-8 ROTO Wandering Hour Automatic is a 39 mm watch with a stainless steel case.
The OLTO-8 KING 3D is a 38 mm watch with a 316l stainless steel / titanium case.
The OLTO-8 IRON-X Square Skeleton Automatic is a 46 mm watch with a stainless steel case.