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H. Moser & Cie Endeavour Perpetual Calendar Concept Tantalum

1800-2004

The H. Moser & Cie Endeavour Perpetual Calendar Concept Tantalum is a 42 mm tantalum dress watch with an HMC 800 hand-wound movement. At 42 mm across, no other tantalum dress watch in the guide is larger, out of 18.

All H. Moser & Cie watchesDress watchesPower reservePerpetual calendarDisplay back
Price
≈$90,108 (CHF 75,000)
Material
Tantalum
Grade / type
Tantalum (case and dial)
Water resistance
30 m
Reference
1800-2004
Type
Dress
Case diameter
42.0 mm
Thickness
13.1 mm
Origin
Switzerland
Movement
Manual, hand-wound
Caliber
HMC 800
Power reserve
7 days
Complications
Perpetual calendar, Power reserve
Colour
Grey
Construction
Assembled
Finish technology
Natural finish
Caseback
Tantalum
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Leather strap
Crystal
Sapphire
Display back
Yes
Dial
Solid tantalum, brushed sunburst, untreated
Availability
Offered
Status
Current (limited edition of 50, Watches and Wonders 2026)
Not published
Lug-to-lug, Weight, Hardness, Surface treatment, Matching bracelet, Lume
High confidence Verified Sep 2026 Source: H. Moser Endeavour Perpetual Calendar 1800-2004 (maker) / Monochrome
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More watches from H. Moser & Cie

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Frequently asked questions

What is the case of the H. Moser & Cie Endeavour Perpetual Calendar Concept Tantalum made of?

The case is tantalum (case and dial). That is confirmed against the maker's specification. The caseback is tantalum.

What size is the H. Moser & Cie Endeavour Perpetual Calendar Concept Tantalum?

The case is 42 mm across and 13.1 mm thick. It is water resistant to 30 m.

How much does the H. Moser & Cie Endeavour Perpetual Calendar Concept Tantalum cost, and is it available?

It is in production, at a list price of $90,108.

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