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New Releases · 2026-08-28

Hanhart makes the hardened Preventor more compact at 36mm

The MAD Preventor HD12 pairs a compact Black Forest-green dial with Hanhart’s hardened steel construction in a 200-piece edition.

By Chronolume digest · Original English summary · Based on Hanhart

Hanhart MAD Preventor HD12 Black Forest Green 36mm on its hardened steel bracelet
The 36mm MAD Preventor HD12 combines a Black Forest-green dial with hardened steel. Hanhart ↗

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This is a sourced news summary, not a hands-on review. Read the original reporting at Hanhart ↗

What to know

Hanhart has reduced the Preventor HD12 to 36mm for a collaboration with Russell, known as the MAD Watch Collector. The matte Black Forest-green dial, cathedral hands and historical logo keep the design recognisably Hanhart, while a broad 20mm lug width gives the smaller case extra visual presence.

The case and optional bracelet use Hanhart’s HD12 hardened steel, rated up to 1,200 HV. A screw-down crown, sapphire crystal and 15 ATM water resistance support its everyday tool-watch brief. Inside, the automatic Sellita SW200-1 provides hacking seconds and at least 38 hours of reserve.

Side view of the Hanhart MAD Preventor HD12 Black Forest Green 36mm showing its compact hardened case
A side view highlights the compact case and mixed polished and brushed finishing. Hanhart ↗

Production is limited to 200 numbered pieces across leather-strap and bracelet configurations. The result is not simply a scaled-down model: its compact proportions and unusually wide stance give the Preventor a distinct identity within Hanhart’s field-watch family.

At a glance

Specifications reported by Hanhart
Reference793L.890-6429 (steel bracelet)
Case36mm × 10.5mm; 43mm lug-to-lug; hardened HD12 steel rated up to 1,200 HV
MovementSellita SW200-1-based automatic; 28,800 vph / 4Hz
Power reserveMinimum 38 hours
Water resistance150m / 15 bar
CrystalConvex sapphire with internal anti-reflective coating
FunctionsHours, minutes and central seconds; no date
DialMatte Black Forest green; C3 Super-LumiNova numerals and hands
Bracelet / strapHardened steel bracelet with transparent PVD, quick release and micro-adjustment; 20mm lug width; leather options available
Edition200 numbered pieces

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Hanhart MAD Preventor HD12 Black Forest Green 36mm · 793L.890-6429 ↗

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Source & attribution

Hanhart · Published 2026-08-28 ↗