Corsair 05

Biatec Corsair 05

Biatec Corsair 05 Mechanical Automatic Watch Brown vintage nubuk leather strap

Short Description

The Corsair 05 belongs to the pilot style Biatec Corsair collection and features a 316L stainless steel solid case, an elegant blue lacquered dial with three dimensional silver hour numbers, nicely polished silver hands filled with the finest Superluminova and a fine quality brown vintage nubuk leather strap with contrast stitching and a stainless steel buckle.

The real pride of the watch is a Swiss automatic movement Eterna 3901A with a rotor inspired by the Corsair F4U aircraft.

Biatec Corsair 03 Mechanical Automatic Watch Back View Propeller Lighter

You can read comprehensive technical specifications below on this page.
Please refer to the overall description of the Corsair collection for more information and details.

Biatec Corsair 03 Mechanical Automatic Watch Back View Crown Lighter

Technical Specifications

Biatec Corsair 05 Mechanical Automatic Watch Front Final View Vintage Nubuk Leather Low


  • 316L stainless steel case
  • Brushed and polished finish
  • Front Sapphire crystal with antireflective coating on both sides
  • See-through Sapphire crystal back with inner double antireflective coating
  • Screwed caseback
  • Viton® sealing under caseback – resistant against chemicals
  • Big diamond screwed-down crown with Biatec logo
  • Screwed polished serial number plate applied to the bottom lug
  • Width: 40.00 mm without crown, 44.20 mm with crown
  • 48.00 mm lug to lug distance
  • Thickness: 12.8 mm
  • Lug width: 20 mm



  • Blue lacquered dial
  • Small seconds dial at 9.00
  • 3D silver numbers printed with Superluminova T3 grade A
  • Silver hands filled with Superluminova T3 grade A




  • Vintage nubuk brown leather strap with suede touch and white stitching
  • Very comfortable, thickness: 3.00 mm
  • Lenght: 120.00 mm (long side), 80.00 mm (short side)
  • 316L stainless steel buckle with Biatec logo




  • 100 meters, 10 atm.



Swiss made Eterna caliber 3901A with rotor customized for Biatec.

Biatec Corsair Collection - Swiss Made 3901A Mechanical Automatic Movement with Customized Corsair Rotor


  • Self winding
  • Vibrations per hour: 28.800
  • Frequency: 4Hz
  • Jewels: 29
  • Ball bearing: 1
  • Shock-absorber





  • ~65 hours




  • Rhodium-plating / Shot-blasting
  • Pearl pattern on the bridge




  • Customized for Biatec.
  • Propeller with black and yellow colors.
  • Corsair logo on oscillating weight.

More Models

Corsair 01

Corsair 02

Corsair 03F

Corsair 04