Only Online Auction

Hong Kong, Mar 09, 2022

LOT 92

One-minute tourbillon regulator, retrograde (fly-back) seconds, power reserve indication; “Ultramarinum”; stainless steel

HKD 85,000 - 172,000

EUR 9,700 - 19,300 / CHF 10,000 - 20,000 / USD 10,900 - 21,800


Sold: HKD 143,750

Stainless steel, manual-winding, inverted egg-shaped, gentleman’s wristwatch, sapphire-crystal case-back screwed by ten screws, eccentric cream colour enamel dials with three horological complications:
· Visible one-minute tourbillon regulator (aperture at 6 o’clock)
· Retrograde (fly-back) “retour en vol” seconds (subsidiary dial at 3 o’clock)
· Power-reserve indication (sector at 9 o’clock; expressed as a percentage)
· Speed indicator (subsidiary dial at 11 o’clock; adjustment crank at 11 o’clock; not considered as a horological complication)

Grading System
Grade: AA

Very good

Case: 2-8

Very good

Slightly scratched

Movement: 2*

Very good

Overhaul recommended, at buyer's expense

Dial: 1-01

As new

HANDS Original

Brand Horus, Monaco

Model made in Switzerland; “Ultramarinum”

Year circa 2010

Movement No. unnumbered

Case No. unnumbered

Material stainless steel

Bracelet white leather strap

Buckle stainless steel double folding deployant clasp

Caliber 19’’’, inverted egg-shaped

Height 60.1 mm.

Width 48.5 mm.

Signature dial, case and movement


The purchase price payable by a buyer will be the sum of the final bid price plus the buyer’s premium, together with any applicable sales or compensating use tax. In addition to the hammer price, the buyer’s premium is payable as follows: 25% of the hammer price on each lot.

Important notice – Special conditions Please look carefully at all the photos as they are an integral part of the description. Any defect not mentioned in the descriptions but visible on the photos will be considered as described and cannot lead to any claim. The dimensions are given as an indication and may slightly differ from the measures mentioned by the manufacturers especially for contemporary watches. The photos are not retouched. Colors may differ from reality. For timepieces, we guarantee neither the functioning nor the precision of the movement, nor the water-resistance of the case. In addition, please note that movements, parts of mechanisms or cases may be incomplete. The lots are sold “as is”, described to the best of our knowledge and cannot be returned. Once the online bid is placed by the bidder, it cannot be cancelled.