The New Romantics: SIDUNA


Woodshores AB

Tel. +46 85 592 2030

Siduna is a newly revived brand, offering beautifully functional watches at wonderfully affordable prices.  

Courtesy of Siduna
Siduna is all down to the efforts of two like minded fellows,

Peter Wadbro, Watchmaker

Courtesy of Siduna

and Francis Jacquerye, Administrator

Courtesy of Siduna

Siduna is offering a chronograph in two different versions (standard and flyback) both based on the type XX.  Known as the Siduna M3440 Professional Uni-compax Chronograph.


Current Models

M3440 Professional Uni-compax Chronograph

Courtesy of Siduna

Standard Version

PRICE:  € 1,860 

Flyback Version

PRICE:  € 1,860 + € 480

Available for purchase direct from Siduna

Technical Specifications

Dimensions and Weight

  • Bezel diameter 42.0 mm
  • Lug width 20.0 mm
  • Case thickness 16.1 mm
  • Weight without strap

Mechanical movement

  • Swiss Made calibre 13 Upsylon
  • Thickness 7.9 mm
  • Self-winding mechanism
  • 25 bearing synthetic rubies
  • 28'800 alternances per hour (4 Hz)
  • Seconds stop
  • ISO 764 Anti-Magnetic
  • ISO 1413 Shock-Resistant


  • Austenic stainless steel, satin brushed
  • Double-domed aspheric sapphire crystal, anti-reflective coating on the inside
  • Screw-down case back, individually numbered
  • Screw-down crown
  • ISO 22810 Water-Resistant
  • Pressure-resistant to 10 bar


  • Hours, minutes and subsidiary seconds
  • 30 minutes and ¼ seconds chronograph

Dial and Hands

  • Matte black dial with recessed subsidiary dials
  • 5 minutes indices with Super-LumiNova® BL C3 Grade A
  • Numerals with Super-LumiNova® BL C3 Grade A
  • Hour and minute hand coated with Super-LumiNova® BL C3 Grade A

Limited Warranty

  • 2 years




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