The Titanium Field Guide

H. Moser & Cie Endeavour Perpetual Calendar Tantalum Blue Enamel

1800-2000

The H. Moser & Cie Endeavour Perpetual Calendar Tantalum Blue Enamel is a current-production dress watch with a tantalum case. It is priced well above the $542 median for the category. The caseback is open, so the movement is visible.

All H. Moser & Cie watchesExotic-material dress watchesPerpetual calendarDisplay back
Price
$82,500
Material
Tantalum
Grade / type
Tantalum
Water resistance
30 m
Reference
1800-2000
Type
Dress
Case diameter
42.0 mm
Thickness
13.1 mm
Origin
Switzerland
Movement
Manual, perpetual calendar
Caliber
HMC 800
Power reserve
168 hours
Complications
Perpetual calendar
Colour
Grey
Construction
Assembled
Finish technology
Natural finish
Caseback
Sapphire
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Leather strap
Crystal
Sapphire
Display back
Yes
Dial
Blue enamel
Dial colours
Blue
Availability
Offered
Status
Current (limited)
Not published
Lug-to-lug, Weight, Hardness, Surface treatment, Matching bracelet, Lume
Medium confidence Verified Jul 2026 Source: H. Moser Endeavour (maker) / Monochrome
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Frequently asked questions

What is the case material of the H. Moser & Cie Endeavour Perpetual Calendar Tantalum Blue Enamel?

The H. Moser & Cie Endeavour Perpetual Calendar Tantalum Blue Enamel has a tantalum case with a sapphire caseback. It is recorded at medium confidence pending a maker-stated material.

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

It is 42.0 mm in diameter, 13.1 mm thick, and water resistant to 30 m.

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

It is current-production and lists from $82,500.

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