Kurono Tokyo, a Japanese watch brand, has introduced its latest creation, the Structure Chronograph S1. This new model marks a change in direction for the brand, with a focus on functionality and elegance. The watch features a 40mm stainless steel case and a sapphire crystal face. According to Hajime Asaoka, the founder of Kurono Tokyo, the goal was to create a chronograph that prioritizes its primary function without compromising on aesthetics.
The Structure Chronograph S1 boasts a 40mm diameter case made of 316L stainless steel, with a highly polished finish. The watch has a thickness of 13.15mm and a lug-to-lug length of 50.2mm. The sapphire crystal face features a box crystal profile, reminiscent of traditional watchmaking. The watch comes with a 22mm rubber strap, designed for everyday use. The brand has also announced a water resistance of 3 ATM, making it suitable for everyday wear but not for swimming or diving.
The watch's dial is designed with readability and functionality in mind. The Structure Chronograph S1 features a chronograph function that displays hours, minutes, and seconds, as well as interval measurements. The brand has taken an industrial design approach with this model, prioritizing function over historical elegance. While details about the dial's colors, counter layouts, and hand finishes are not specified, the brand aims to create a coherent and functional design.
The Structure Chronograph S1 is powered by the NE86PWT automatic movement, a Japanese-made caliber from TMI, part of the Seiko group. This movement features a column wheel and vertical clutch, allowing for smooth chronograph operation. The caliber has 34 jewels and operates at a frequency of 28,800 vibrations per hour. The watch has a power reserve of approximately 45 hours, making it suitable for daily wear.
Kurono Tokyo has announced that the Structure Chronograph S1 will be available for purchase on its official website, as well as in its Aoyama, Japan, and Shanghai, China boutiques. The brand plans to produce a limited quantity of the watch, with no re-edition planned. Deliveries are expected to start in mid-December 2026.
With the Structure Chronograph S1, Hajime Asaoka aims to redefine Kurono Tokyo's identity, focusing on functional design while maintaining aesthetic appeal. The watch's design responds to its intended use, making it a unique addition to the brand's lineup.
The Structure Chronograph S1 embodies Kurono Tokyo's vision of a chronograph that balances functionality and elegance. The brand's focus on industrial design and practicality makes this watch an attractive option for those seeking a reliable timepiece.
Key points
- The Structure Chronograph S1 features a 40mm stainless steel case and a sapphire crystal face.
- The watch is powered by the NE86PWT automatic movement with a 45-hour power reserve.
- The Structure Chronograph S1 will be available for purchase in limited quantities starting mid-December 2026.
