The Titanium Field Guide

Tandorio TD231 Titanium Turtle Diver 44mm MOP Abalone

The Tandorio TD231 Titanium Turtle Diver 44mm MOP Abalone is a 44 mm titanium dive watch with an NH35 automatic movement. At a list price of $135, only three of the 293 other titanium dive watches in production, leaving out the fashion brands cost less.

All Tandorio watchesDiver watchesUnder $500Microbrand
Price
$134.78
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
200 m
Type
Diver
Case diameter
44.0 mm
Thickness
13.4 mm
Lug-to-lug
48 mm
Origin
China
Movement
Automatic
Caliber
NH35
Complications
Time only
Colour
Grey
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
20 mm band, 22 cm long
Crystal
Sapphire
Dial
Mother of pearl, blue, white, black or grey
Dial colours
Black White Grey Blue
Availability
Offered
Status
Current
Not published
Reference, Weight, Power reserve, Hardness, Construction, Surface treatment, Caseback, Matching bracelet, Display back, Lume
Medium confidence Verified Aug 2026 Source: Tandorio (maker store product page)
Facts are free to cite with a link.
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Frequently asked questions

What grade of titanium is the Tandorio TD231 Titanium Turtle Diver 44mm MOP Abalone?

Titanium, with no grade stated. The record is at medium confidence, so check the maker's page before relying on it.

What size is the Tandorio TD231 Titanium Turtle Diver 44mm MOP Abalone?

The case is 44 mm across, 13.4 mm thick and 48 mm from lug to lug. It is water resistant to 200 m.

How much does the Tandorio TD231 Titanium Turtle Diver 44mm MOP Abalone cost, and is it available?

It is in production, at a list price of $134.78.

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