HYT, the Swiss watch brand which introduced the concept of hydro mechanical horology has recently enhanced its flagship collection H1 with a new model featuring an ALUN 316B case with shot-peened and satin-finished surfaces.

Equipped with an exclusive hand wound calibre, this H1 model indicates the hours in retrograde style incorporating the innovative fluid system developed by HYT. The exterior of HYT H1 ALUMEN BLUE boasts all stunning features of a high end Swiss watch such as sapphire crystal front and caseback, screw lock crown and crown guard.

The highly complex dial of  H1 ALUMEN BLUE boasts an innovative hydro mechanical time indicator integrated with a blue ALUN 316B hour dial featuring white indexes and numerals and a blue ALUN 316B minute dial featuring grey minute hand.

The hour is indicated by the movement of the fluorescent fluid. The dial also incorporates a regulator at 12:00, a small seconds wheel at 09:30 and a power reserve indicator at 02:30.

Technical details

Ref 148-AB-31-GF-RU
Limited edition of 50 pieces

ALUN 316B case with shot-peened and satin-finished surfaces
Diameter: 48.8 mm
Thickness: 17.9 mm
Rubber-clad screw-lock crown
Crown guard
Altered and screw-locked added lugs
Metal dome at 06:00
Cambered sapphire crystal glass with anti-reflective coating on the inside
Screw-down sapphire back
Water-resistant to 100 meters

Mechanical hand-wound, exclusive HYT calibre
28,800 vph, 4 Hz, 35 jewels
Bridges hand-chamfered and adorned with Côtes de Genève, rhodiumed bellows
65-hour power reserve

Retrograde fluid hours, minutes, seconds

Unstructured, fluid jours
Blue ALUN 316B hour dial, white indexes and numerals
Blue ALUN 316B minute dial, grey minute hand
Luminescent hand and hour-markers
Regulator at 12:00
Small seconds wheel at 09:30
Power reserve indicator at 02:30

Black rubber, titanium pin buckle

Suggested retail price
CHF 64,000

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