On the wrist

Marathon training and smartwatch monitoring: the data that separates smart preparation from injury

March 11, 2026

A 2024 PMC review confirmed that HRV-guided training produced greater endurance improvements than fixed-schedule programming. The practical requirement: a smartwatch on your wrist throughout the...

Discover

How smartwatch heart monitoring saves lives: cases and global data

March 10, 2026

Global AFib prevalence rose from 33.5 million to 59 million between 2010 and 2019. Europe projects a doubling by 2060. Smartwatch ECG detection achieves 95...

Discover

How smartwatch sensors work: why orientation is irrelevant and skin contact is everything

March 9, 2026

Reflectance photoplethysmography places the LED and photodiode on the same side of the skin. There is no transmission through tissue and no orientation required. The...

Discover

Watch strap weight: Smartlet equals a standard steel bracelet

March 8, 2026

The weight question about Smartlet is settled on the product page itself. With a connected device, Smartlet weighs 60 to 100 g — the same...

Discover

Watch strap comfort: Smartlet fits within the butterfly clasp range

March 6, 2026

Smartlet publishes its own wrist-back profile: 9 to 12 mm with a connected device. A premium leather strap with butterfly deployant clasp already sits at...

Discover

The Entrepreneur, between meetings, airports, and afterworks

July 15, 2025

He moves between meetings, airports, and afterworks. Smartlet lets him track his health discreetly during the day, while keeping his mechanical watch visible when it...

Discover

The Tech Lover, always connected, always optimizing

July 10, 2025

He’s always connected, always optimizing. Smartlet fits perfectly into his ecosystem, letting him switch between devices and experiences without ever sacrificing his passion for design....

Discover

Wearing smartlet for everyday life

July 1, 2025

Smartlet was made to integrate effortlessly into everyday life. Whether you're working, training, or moving through the city, it adapts to your routine with clarity...

Discover

Highlights: Smartlet, more than a strap, a precision-built system designed for versatility and elegance

June 30, 2025

Smartlet is more than a strap. It's a precision-built system designed for versatility and elegance. Dual-wear functionality: Holds one classic watch and one smartwatch or...

Discover

The Fashionista, wearing technology without compromising his style

June 20, 2025

For him, every detail counts. Smartlet allows him to wear technology without compromising his style, one wrist for his favorite connected functions and his classic...

Discover

The Smartlet Experience, mix of design, performance, and usability

June 15, 2025

Smartlet is a mix of design, performance, and usability. It accompanies us throughout our day and has carved out an essential place among our everyday...

Discover

Features and product details

June 10, 2025

The bracelet design, available in polished stainless steel, perfectly matches the most prestigious timepieces. Compatible with 20 mm or 22 mm lug widths, it fits...

Discover