This limited edition of the Skindiver "Worldtimer" tool-watch pays tribute and celebrates the 60-year anniversary of the flight 64 of the X-15 experimental plane and features an engraving of this legendary aircraft on its caseback.

This Skindiver WT Professional tool-watch features a black dial with green C7 Super-LumiNova®, the iconic hour arrow hand, an Hesalite glass and a steel case with a black PVD treated bezel - water resistant to 120m.

This mechanical wristwatch - powered by the Japanese automatic movement Citizen/Miyota 8315 with a 60-hour power reserve (approx.) - is presented on a nylon & leather strap equipped with a black leather bund-plate.

SPECIFICATIONS

Specifications of the Skindiver WT Professional Tool-Watch with Black Dial and Green C7 Super-LumiNova®, on Steel Case with Black PVD Bezel - X-15 Limited Edition

Functions:
Hours / Minutes / Seconds / Date
60 min / sec timing and world cities time zones via rotating bezel
Hands and dial:
DOUGLAS signature logo on the dial
“Roulette” black and red date disk
Green C7 Super-LumiNova® on hands and indices
Bezel:
120 clicks
Unidirectional rotatable
316L stainless steel with black PVD treatment (titanium carbide)
Case:
HexapleX® shock-resistant architecture
The movement is shielded with rubber shock-absorbers in a “floating” configuration and effectively protected from micro to big impacts on the watch.
HexapleX® seashell logo is laser engraved on the back of the top right lug and inside of the caseback
Discover more on the: HexapleX® shock-resistant architecture
Hand finished brushed 316L stainless steel
Screw-down crown
Hesalite glass box with an inside “cyclops” magnifier above the date window
Water resistance: 12 ATM / 120m
Drilled lugs for easy strap changes
Dimensions:
40 mm diameter x 48 mm lugs to lugs x 13 mm thickness
20 mm lug width
Assembled and tested in France
Delivered with a green canvas & leather watch pouch

AUTOMATIC MOVEMENT

The Skindiver Professional - X-15 Limited Edition - is an automatic watch powered by the Citizen / Miyota 8315 movement.

Citizen / Miyota 8315
Functions: hours, minutes, central seconds and hacking-second
Power reserve: approximately 60 hours fully wound
Winding: Automatic / self-winding & hand-winding
Finish: Geneva pattern and blue screws
Frequency: 21600 per hour
Jewels: 21 pcs
In-house modifications and operations
Modification of the date disk to a “Roulette” style disk
Control and setting with a tolerance of ±15 seconds per day and a beat error of 0.6ms

ONE-PIECE NYLON & LEATHER BAND WITH BUND PLATE

The Skindiver WT Professional Tool-Watch - X-15 Limited Edition - is equipped with a black one-piece nylon & leather strap on a black leather bund plate.

SPECIFICATIONS OF THE BLACK ONE-PIECE NYLON & LEATHER BAND

Dimension & Size:
Length: 270 mm
Lug width: 20 mm
Buckle width: 20 mm
Quick-release spring-bars - Easily swap between straps without tools in a blink of an eye
Material:
Nylon - Soft touch for extended comfort and smooth feel on the wrist
Vegetable tanned Italian leather - Better for your skin and the environment
Solid stainless steel buckle
Construction
Reinforced stitching around the fixed-loop - Longer durability
Reinforced leather parts on the pinholes and leather loops - The same quality leather used on all Wolbrook leather straps
Hand-stitched - Attention to details
Color: Black

SPECIFICATIONS OF THE BLACK BUND LEATHER PLATE

Dimension & Size:
Length: 100 mm
Width: 33 mm
Inside loop: 20 mm
Material: Vegetable tanned Italian leather - Better for your skin and the environment
Construction:
Flat double-layered - Both sides are covered with the same quality leather for extended comfort and smooth feel on the wrist
Reinforced stitching around the loops - Longer durability
Hand-stitched - Attention to details
Color: Black

36-MONTH WARRANTY

Wolbrook watches come with a 36-month warranty starting from the date of receipt.

We take pride in the design, high-quality components, and professional assembly of our watches in France. If something goes wrong, we’ll repair or replace your watch at no additional cost.

The warranty covers manufacturing and material defects but excludes:
Damages from improper use, negligence, accidents, or non-compliance with the Owner’s Manual.
Wear and tear (e.g., scratches on steel or Hesalite).
Natural aging of materials like nylon or leather.