The Titanium Field Guide

Maurice de Mauriac O1 Pillow Watch Titanium

MDM.O1.PW.TI

The Maurice de Mauriac O1 Pillow Watch 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.

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Price
≈$4,862 (CHF 3,900)
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
100 m
Reference
MDM.O1.PW.TI
Type
Other
Case diameter
45.0 mm
Lug-to-lug
50.5 mm
Origin
Switzerland
Movement
Automatic
Caliber
La Joux-Perret G100
Power reserve
68 hours
Complications
Time only
Colour
Grey
Surface treatment
None
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Rubber strap
Crystal
Sapphire, AR both sides
Display back
Yes
Dial
Black (matte; light-blue lume on DLC version)
Dial colours
Black
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Thickness, Weight, Hardness, Construction, Caseback, Matching bracelet
Medium confidence Verified Jul 2026 Source: Maurice de Mauriac (maker product page) Suggested by u/Potential-Peace6416
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Frequently asked questions

What is the case material of the Maurice de Mauriac O1 Pillow Watch Titanium?

The Maurice de Mauriac O1 Pillow Watch Titanium has a titanium (grade undisclosed) case. It is recorded at medium confidence pending a maker-stated material.

What size is the Maurice de Mauriac O1 Pillow Watch Titanium?

It is 45.0 mm in diameter, 50.5 mm lug to lug, and water resistant to 100 m.

How much does the Maurice de Mauriac O1 Pillow Watch Titanium cost, and is it available?

It is current-production and lists from $4,862.

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