Siduna is a registered
trademark of Woodshores AB.
Theme by nunforest

The Siduna M3440-510 Aviation Fly-Back Chronograph

Diametre 40 mm, standard issue dial, available on Black, Havana or Rouille strap

510 CPK | 510 CPT | 510 FPK | 510 FPT

Siduna M3440 Siduna M3440
Siduna M3440
Siduna M3440
Siduna M3440
Siduna buckle
Siduna Arola
Siduna M3440 Siduna M3440 Siduna M3440

delivery and tax included

secure payment
24 month warranty
Made in Europe - Swiss movement
Made-to-order within 15 business days
Worldwide delivery with FedEx all duties paid

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German made leather strap with matching buckle. Available in black, havana or rouille fine calf.


510 FPK


Self-winding chronograph with hours, minutes and running seconds. Fly-Back chronograph feature with minutes and seconds.

Matte galvanic black dial. Numerals, hands and bezel minutes marks in Super-Luminova™ Blue Line C3 Grade A.

Water resistant case in austenitic stainless steel, screw-down crown, 10 bar (100m/333ft static). Retro cut sapphire crystal with anti-reflective coating.

• Diameter 40.0mm (bezel protruding at 42.0mm)
• Thickness 14.0mm (16.1mm including domed crystal)
• Lug width 20.0mm
• Lug end to lug end 48.0mm
• Buckle width 18.0mm
• ISO 764 magnetic resistance 4,800 A/m
• ISO 1413 shock resistance
• ISO 22810 water-resistance 10 bar (static 100m/333ft)


• Custom Swiss Made Alfred Rochat & Fils based off ETA/Valjoux 7750 Top grade
• Adjusted in 5 positions: CH, FH, 6H, 9H, 3H
• Incabloc shock protection
• Glucydur balance wheel with Anchron alloy hairspring
• Nivaflex NM mainspring
• Nivarox pallet lever and escape wheel
• Diametre 13 ″ ¼‴ (30.0mm), thickness 7.9mm
• Power reserve 48h
• Rubies setting 27