The Titanium Field Guide

Trematic T-Five Beigua Maris

The Trematic T-Five Beigua Maris is a current-production diver watch with a Grade 5 titanium case. It is priced close to the $1,300 median for the category.

Titanium diver watchesUnder $3,000Grade 5 titanium
Price
$1,300
Titanium
Grade 5
Water resistance
300 m
Type
Diver
Case diameter
39.0 mm
Thickness
11.3 mm
Origin
Italy
Movement
Automatic
Caliber
La Joux-Perret G101
Complications
Time only
Case shape
Round
Case colour
Natural / grey
Finish technology
Natural finish
Surface treatment
None
Caseback
Titanium
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
FKM rubber straps (two)
Crystal
Domed sapphire
Display back
No
Dial
Grey (Shadow), blue-green (Marina), and yellow (Desert) colourways
Dial colours
Grey Blue Green Yellow
Lume
Lumicast
Availability
Offered
Status
Current
Not published
Reference, Lug-to-lug, Weight, Power reserve, Titanium bracelet Help verify
High confidence Verified Jul 2026 Source: Trematic Maker / listing ↗
Facts are free to cite with a link.
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Alternatives to the Trematic T-Five Beigua Maris

Citizen Promaster Dive Fujitsubo Super Titanium (NB6021)CitizenPromaster Dive Fujitsubo Super Titanium (NB6021)$1,02541.0 mm111 gDiversame category · same style · similar price · similar sizeBaltic Aquascaphe TitaniumBalticAquascaphe Titanium$1,05041.0 mm13.3 mm thick55 gDiversame category · same style · similar price · similar sizeCertina DS Action Diver 40.5mm TitaniumCertinaDS Action Diver 40.5mm Titanium$1,06040.5 mm14.1 mm thick124 gDiversame category · same style · similar price · similar sizeCertina DS Action Diver 38mm TitaniumCertinaDS Action Diver 38mm Titanium$1,10038.0 mm13.2 mm thick86 gDiversame category · same style · similar price · similar sizeUnimatic Modello Uno U1S-T-MPUnimaticModello Uno U1S-T-MP$1,17841.5 mm11.25 mm thick62 gDiversame category · same style · similar price · similar sizeCitizen Promaster Fujitsubo Platinum DLC (Super Titanium)CitizenPromaster Fujitsubo Platinum DLC (Super Titanium)$1,19541.0 mm119 gDiversame category · same style · similar price · similar size

Frequently asked questions

What grade of titanium is the Trematic T-Five Beigua Maris?

The Trematic T-Five Beigua Maris has a Grade 5 titanium case with a titanium caseback. This is confirmed against the maker spec.

What size is the Trematic T-Five Beigua Maris?

It is 39.0 mm in diameter, 11.3 mm thick, and water resistant to 300 m.

How much does the Trematic T-Five Beigua Maris cost, and is it available?

It is current-production and lists from $1,300.

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