

Front view
Dial, hands and bezel as delivered.

Case-back view
Case-back engraving and, where fitted, the sapphire display.
Movement
Calibre with its finishing and decoration.
On the wrist
Worn shot for proportion and strap drape.
HYT · Hastroid
HYT Hastroid 44 mm Mother-of-pearl Carbon
Reference 21432OR.49
Reference at a glance
- Brand
- HYT
- Collection
- Hastroid
- Model
- HYT Hastroid 44 mm Mother-of-pearl Carbon
- Reference number
- 21432OR.49
- Year / era
- 2012 · 2010s — modern production
- Complication
- Minute repeater
- Movement
- In-house automatic with 22k gold rotor
- Case material
- Carbon TPT
- Dial type
- Mother-of-pearl
- Strap / bracelet
- Jubilee bracelet
- Water resistance
- 100 m
- Limited-edition status
- Regular production, not a limited edition
Case, dial & bracelet
- Case dimensions
- 44 mm
- Case thickness
- 8.1 mm
- Case material
- Carbon TPT
- Bezel
- Bidirectional 24-hour Cerachrom
- Crystal
- Anti-reflective sapphire, double-domed
- Dial
- Mother-of-pearl
- Hands
- Blued steel Breguet-style hands
- Indexes
- Diamond-set hour markers
- Bracelet / strap
- Jubilee bracelet
- Clasp / buckle
- Pin buckle in matching case metal
- Water resistance
- 100 m
Movement
- Movement / calibre
- Calibre 16C — In-house automatic with 22k gold rotor
- Movement type
- Automatic with micro-rotor
- Frequency
- 25,200 vph (3.5 Hz)
- Power reserve
- 5 days
- Number of jewels
- 37 jewels
- Complications
- Minute repeater
- Functions
- Chronograph, tachymeter, date
- Watchmaker
- Finishing, assembly and timing are carried out in the manufacture's own atelier.
Production & market
- Production period
- 2012 – 2021
- Limited-edition quantity
- Not applicable
- Current market information
- Values have stabilised after the 2022 correction; condition and box-and-papers drive the premium.
Designer
Emmanuel Gueit
Emmanuel Gueit came from a family of Geneva jewellers and was barely into his twenties when he drew the oversized Royal Oak Offshore in 1993 — a watch the house's traditionalists resisted and collectors turned into an icon.
Historical significance
HYT Hastroid 44 mm Mother-of-pearl Carbon sits within HYT's Hastroid line, introduced in 2012. It carries the house codes established since 2012 — carbon tpt case, mother-of-pearl dial and in-house automatic with 22k gold rotor — and is one of the references collectors use to date the evolution of the collection.
Interesting facts
- The reference was originally planned as a one-year run and stayed in the catalogue for well over a decade.
- Early production dials show a slightly different minute track, and collectors pay a premium for them.
The House
HYT
Brand facts
- Founding year
- 2012
- Founder
- Vincent Perriard & Patrick Berdoz
- Headquarters
- Switzerland
- Tier
- Ultra-Luxury & Haute Horlogerie
- Major collections
- H0, H1, H2, H20, Hastroid, Moon Runner
- Signature technologies
- Composite and ceramic case materials · Hand-applied guilloché dials
- Famous movements
- In-house tourbillon, manual-winding · In-house automatic micro-rotor · In-house manual-winding, hand-finished · In-house automatic with 22k gold rotor
- Notable watches
- HYT H0 36 mm Black 18k · HYT H0 44 mm Ice Quartz · HYT H0 44 mm Slate Grade · HYT H0 38 mm Ice Sapphire
Brand history
HYT has spent more than 14 years refining a single idea: a watch should outlive its owner. From the earliest workshop pieces to today's H0, the house has balanced technical ambition with a recognisable design language, and its collections remain among the most closely followed by collectors worldwide.
Vincent Perriard & Patrick Berdoz established HYT in 2012, working from Switzerland at a time when precision was measured by hand. The founder's obsession with finishing and accuracy still defines every HYT calibre produced today.
Historical milestones
2012
Vincent Perriard & Patrick Berdoz founds HYT in Switzerland.
2024
HYT continues to produce H0, H1, H2 and other icons in limited numbers.
