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

The Siduna M3440-510 Aviation Fly-Back Chronograph

Diametre 40 mm, Tuxedo 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


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

Sunray galvanic black dial with silver registers. 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


510 FPT


German made leather strap with matching buckle.


24 month warranty
Swiss movement
Made-to-order within 10 business days
Worldwide delivery with FedEx

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