JetFlyer Automatic Chronograph - Vintage
Black Dial Old Radium Lume JetFlyer Automatic Chronograph& Leather Strap or Beads of Rice Steel Bracelet
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The JetFlyer® Automatic Chronograph brings together the iconic proportions of the original 1950s Skindiver® case with modern French watchmaking. Designed as a true tool-watch, it combines functional chronograph capability, mechanical sophistication, and everyday durability.
The stainless steel case measures 38 mm at the bezel (37 mm mid-case) with a thickness of 12.1 mm (14.3 mm including the glass box sapphire crystal) and a comfortable 46 mm lug-to-lug length. It features a screw-down crown and caseback ensuring 100 m water resistance, drilled lugs for easy strap changes, and a 120-click unidirectional rotating bezel combining a 60-minute dive scale with a 12-hour secondary time-zone indication.
The matte black dial focuses on clarity and functionality, with two chronograph subdials (30-minute and 12-hour counters), extended markers at 3, 6, and 9 minutes inspired by traditional telephone timing intervals, and a discreet tachymeter scale. "Old Radium" Super-LumiNova® X1 grade is applied to all hands and markers, including Wolbrook’s signature arrow-shaped minute hand and oversized “lollipop” chronograph seconds hand.
Powered by the Jeambrun PS 6402 automatic chronograph movement, beating at 28,800 vibrations per hour with a 55-hour power reserve, the watch showcases modern mechanical architecture. Through the exhibition caseback, the movement reveals its distinctive Armure de France finish — an interwoven hexagonal pattern symbolizing strength, precision, and French craftsmanship.
The JetFlyer® Chronograph is paired with a two-piece rally-style leather strap crafted from Italian vegetable-tanned leather and secured with a signed 316L stainless steel pin buckle.
THE JETFLYER® AUTOMATIC CHRONOGRAPH IN DETAILS
An automatic chronograph crafted for precision, legibility, and mechanical excellence.
DESIGN FOR LEGIBILITY


ENGINEERED FOR THE WRIST
Engineered for everyday wear, it remains unobtrusive while maintaining the presence and functionality of a true chronograph instrument.

A NEW CHRONOGRAPH ENGINE
JEAMBRUN PS 6402 Automatic (Self-winding mechanical):
• Column wheel chronograph
• Frequency: 28,800 vph (4 Hz)
• 55-hours power-reserve
• Control and setting with a tolerance of ±15 s and a beat error of 0,6 ms
Discover the Jeambrun PS 6402 movement behind the JetFlyer.
AN AUTOMATIC CHRONOGRAPH
ASSEMBLED IN FRANCE
The Jeambrun PS 6402 movements are assembled, adjusted, and regulated in France, ensuring a high level of control and consistency.
This approach reflects our commitment to building reliable, approachable tool watches, with close oversight of performance and quality.


FOUNDER EDITION — INDIVIDUALLY NUMBERED
Produced on demand and assembled in France, each piece is specific to its owner.
SCRATCH‑RESISTANT SAPPHIRE CRYSTAL
A grade of 9 on the Mohs-hardness scale (graded 1-10) and a dome shape, means the sapphire crystals of the JetFlyer Chrono-Automatic chronograph are virtually scratch-proof and very hard. While, the inside anti-reflective coating ensures an unhindered vision at all times.

THE JETFLYER CHRONO-AUTOMATIC IN "MM"
38 mm diameter x 46 mm lugs to lugs x 12.1 mm thickness / 20 mm lug width

THE JETFLYER CHRONO-AUTOMATIC IN "MM"
38 mm diameter x 46 mm lugs to lugs x 12.1 mm thickness / 20 mm lug width

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JetFlyer® and Skindiver® are a registered are registered brands of Wolbrook Watches and your guarantee of quality.

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