H. Moser & Cie Endeavour Minute Repeater Cylindrical Tourbillon Skeleton Cosmic Rain (titanium)

The H. Moser & Cie Endeavour Minute Repeater Cylindrical Tourbillon Skeleton Cosmic Rain (titanium) is a current-production watch with a titanium (grade undisclosed) case. It is priced well above the $1,425 median across the guide. The caseback is open, so the movement is visible.

4 official photos · reader photos welcome

Price

≈$471,642 (CHF 378,350)

Material

Titanium

Grade / type

Titanium (grade undisclosed)

Reference

1909-0501

Type

Other

Case diameter

40.0 mm

Thickness

14.4 mm

Origin

Switzerland

Movement

Hand-wound, skeletonised, minute repeater with one-minute flying tourbillon and cylindrical hairspring

Caliber

HMC 909

Power reserve

90 hours

Complications

Tourbillon, Minute repeater

Colour

Grey

Surface treatment

None stated

Finish technology

Natural finish

Caseback

Sapphire

Nickel-free

Unconfirmed (clasp or buckle material not confirmed)

Bracelet / strap

Grey hand-stitched nubuck alligator leather strap with titanium pin buckle

Crystal

Sapphire

Display back

Yes

Dial

Fully skeletonised, with a domed aventurine sub-dial at 2 o'clock in fume finish with mother-of-pearl inlays

Dial colours

White Grey Meteorite

Availability

Offered

Status

Limited edition (20 pieces)

Not published

Lug-to-lug, Water resistance, Weight, Hardness, Construction, Matching bracelet, Lume

Medium confidence Verified Aug 2026 Source: H. Moser & Cie (Endeavour Minute Repeater Cylindrical Tourbillon Skeleton Cosmic Rain, ref. 1909-0501) / Monochrome (introducing, full specifications) / Fratello (discovery lead)

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