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Hyper-profiled case, crafted in La Chaux-de-Fonds, Switzerland. Sapphire back. Screw-down bezel and crown. Polished and satin-brushed by hand. Rhodium-plated and engraved dial with seamlessly integrated flippable indices. Clearly legible in daytime and at night thanks to Super-LumiNova on the hands and indices. Automatic GYRO DIAL Calibre 5555 movement, manufactured in Fleurier, Switzerland, and stringently tested. High-grade rubber or crocodile strap with curved inserts for a perfect fit with the case, made in France by Manufacture Jean Rousseau.

Ships within 4-6 months

Category: Tag: Brand: Byrne Product ID: 4354


Calibre 5555 in-house automatic movement with a “magic” pawl for optimal winding. Bearing-mounted rotor.

The dial is an important part of a watch’s personality. The dial of a Byrne watch requires 45 separate stages to produce. Finishing is entirely by hand for impeccable results, with a straight-grain finish on the dial and index plates, completed by rhodium-plating and Super-LumiNova.

The hand-crafted hour and minute hands echo the dial, with a straight-grain finish and contouring in Super-LumiNova.

The case is how we recognise a watch. It defines its identity. Byrne Watch’s designer built on his experience in restoration to imagine a sculpted case whose profiled lines bring to mind a race car’s contours. The bezel and sapphire crystal are level with the minute track. Easy-grip screw-down crown. Hand-finished satin-brushed bezel, caseband and crown. Screw-down sapphire caseback with recesses for the engraved series number.

Comfort was a priority for the watch’s designer, who commissioned Manufacture Jean Rousseau to create a bespoke strap with curved inserts that form a natural extension of the case. In durable, high-grade rubber or crocodile.


Specification: Mechanical automatic watch

Power reserve: 60 h

Water-resistance: 5 ATM (50 m)

Total components: 261



Swiss Made calibre 5555

Manufacture: Fleurier

Finishes: Hand-chamfered and hand-finished

Complication / Animation: Ultra-tested GYRO DIAL

Winding: Automatic

Frequency: 28,800 vph / 4 Hz

Number of jewels: 42


Shape: Profiled with round dial

Height: 15,6 mm

Diameter: 42 mm

Materials and finishes: Shiny and matte steel, hand-brushed

Sapphire caseback and bezel


Crown: Screw-down with hand-finished engraved character

Other version

Titanium case


Colours and finishes: Rhodium-plated, engraved, straight-grained by hand

Indices: Flippable indices in multiple styles

Hands: Rhodium-plated, straight-grained by hand Super-LumiNova


Materials: High-grade rubber with curved inserts, manufactured by Jean Rousseau

Colours: Black, blue, brown


Material: Steel pin buckle, shiny and matte hand finishes


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