Precision engineering for the bold.
Sinn watches are built for those who demand precision, durability, and performance. Crafted in Germany, each timepiece is engineered to withstand the harshest conditions, trusted by pilots, divers, and explorers worldwide. Sinn blends cutting-edge technology with rugged design, delivering watches that excel in functionality without sacrificing style. From mission-timers to elegant chronographs, every Sinn watch is a testament to innovation and resilience.
Explore our curated range at James Porter & Son and discover why Sinn is the choice for those who value reliability and adventure. Visit us today and find a watch that's ready for anything.
Blending technical precision with bold design. Engineered in Germany, they offer reliable timekeeping, excellent legibility, and advanced features—ideal for those who value function, form, and performance.
Engineered for extreme performance, combining German precision with uncompromising durability. Delivering reliability, legibility, and advanced technology in the most demanding environments.
INSTRUMENT WATCHES
PRECISION FOR PROFESSIONALS
Sinn Instrument watches are engineered for ultimate performance in demanding environments. Founded in 1961 by pilot Helmut Sinn, the brand quickly gained a reputation for producing robust, functional timepieces. Built with technologies like Ar-Dehumidifying systems, scratch-resistant Tegiment coatings, and extreme temperature resistance, Sinn watches are trusted by pilots, divers, and special forces alike. Models such as the 556, 856, and UX series reflect a clear, purpose-driven design philosophy. Every Sinn Instrument watch emphasizes readability, durability, and precision, making them true tools for professionals. Their commitment to innovation and reliability has earned them a cult following worldwide.
DIVING WATCHES
ENGINEERED FOR THE DEEPEST CHALLENGES
Sinn Diving watches are renowned for their exceptional durability, technical innovation, and reliability under extreme conditions. Designed to meet and exceed professional diving standards, models like the U1, U50, and EZM 3 feature German submarine steel cases, superior magnetic field protection, and outstanding water resistance up to 5,000 meters.
Sinn’s mission-focused approach includes innovations like Ar-Dehumidifying Technology and Tegiment hardening for enhanced longevity. Each watch offers unmatched legibility and functionality, critical for underwater use. Sinn Diving watches are not just tools for professionals—they represent the pinnacle of German engineering, built to conquer the toughest marine environments.
EXPLORE INSTRUMENT CHRONOGRAPHS
PRECISION TIMING WITH GERMAN ENGINEERING
Sinn chronograph watches combine technical excellence with rugged functionality, offering precision timing tools trusted by professionals worldwide. Models like the 103, 144, and EZM 10 showcase Sinn’s mastery in creating chronographs built for performance in aviation, motorsport, and tactical environments. Key innovations include anti-magnetic construction, extreme temperature resistance, and the brand’s signature Ar-Dehumidifying Technology.
Each Sinn chronograph emphasizes clear, legible dials, robust cases, and reliable mechanical movements designed to withstand the most demanding conditions. With a focus on practical features and German-engineered durability, Sinn chronographs deliver both reliability and sophistication, making them essential instruments for serious timekeeping.
PILOT WATCHES
TRUSTED INSTRUMENTS FOR THE SKIES
Sinn Pilot watches are crafted to meet the exacting demands of aviation professionals. Built with a focus on legibility, precision, and durability, are purpose-designed for cockpit use. High-contrast dials, luminous hands, and anti-reflective sapphire crystals ensure optimal readability in all lighting conditions. Many Sinn Pilot watches are certified to meet rigorous flight standards, reflecting the brand’s commitment to functionality.
Additional features like magnetic field protection and chronograph complications further enhance their practicality. Sinn’s aviation heritage ensures every Pilot watch is a reliable companion both in the air and on the ground.
FEATURED
SINN WATCHES
£1,495.00
£2,695.00
£3,930.00
£1,295.00
£3,095.00
A History of
Sinn Watches
Founded in 1961 by Helmut Sinn, a former World War II pilot and flight instructor, Sinn Spezialuhren began by producing navigation clocks and pilot chronographs. Focused on precision and functionality, the brand quickly earned a reputation for creating highly durable, purpose-driven timepieces. In 1994, engineer Lothar Schmidt acquired the company, ushering in a new era of innovation with technologies like Ar-Dehumidifying Technology, Tegimented steel, and magnetic field protection. Sinn watches became trusted tools for professionals including pilots, divers, and special forces. Today, Sinn remains synonymous with German engineering excellence, blending rugged reliability with cutting-edge advancements to meet the highest demands.
Secure payment methods
60 min
