GPHG Index
2026 Edition · Trematic

T-Five Beigua Maris Shadow

Trematic T-Five Beigua Maris Shadow
Category
Challenge
Case
Titanium, Ceramic
Movement
Self-winding mechanical Power reserve: 68 h, 28800 vph
Functions
Hours, Minutes, Seconds
Size
ø 39 mm
Thickness
13.8 mm
Water resistance
300 m
Reference
T1190
Price
1,120 CHF

Description

Trematic’s mission is to revive the spirit of the golden age of watchmaking, when design, function, and emotion merged into timeless instruments of adventure. The new T-Five Beigua Maris embodies that philosophy, blending the soulful aesthetics of mid-century divers with the precision and resilience of modern Swiss engineering.

Crafted in Grade 5 titanium, the Beigua Maris is light yet extraordinarily strong, a contemporary expression of endurance and refinement. Its form recalls the skin divers of the 1960s, compact, readable, and purposeful, yet every surface and proportion has been re-imagined for today’s standards of performance and comfort.

The name Beigua Maris draws inspiration from the seashores of Mount Beigua, one of Italy’s most spiritual and untamed landscapes. There, the mountain meets the sea in a collision of wind, rock, and water, a place where nature seems alive, and where one of Europe’s richest titanium reserves lies beneath the surface. A connection between earth and sea, between heritage and innovation, defines the T-Five Beigua Maris. It is not just a diver’s watch, but a symbol of the elements that forged it: raw, enduring, and deeply powerful.

The T-Five Beigua Maris is built as a true professional instrument, with its 39mm case engineered for durability, precision, and refined aesthetics.

The Grade 5 titanium ensures exceptional strength with an ultra-light feel on the wrist, offering both solidity and comfort in extreme conditions. The titanium bezel is complemented by a matte ceramic insert, combining vintage-inspired charm with scratch-resistant modern performance.

Water resistance reaches an impressive 30 ATM (300 meters), ensuring reliability both above and beneath the waves.

At its core beats the La Joux-Perret G101, Swiss automatic movement with a 68-hour power reserve, celebrated for its precision and fine finishing. The bi-zonal dial features an inner minute track that enhances legibility and depth, while the applied indexes, aligned bezel, and ultra-bombé sapphire crystal recall classic 1960s divers, reimagined for modern performance.

T-Five Beigua Maris features a fine-grained sandblasted finish, accented by polished and brushed details on the carrure, bezel, caseback, and crown.

Available in three colorways — Shadow, with its grey-to-charcoal degradé dial and Lumicast indexes glowing in Super-LumiNova BGW9; Desert and Marina, both featuring full-lume bi-zonal dials combining BGW9 and Old Radium tones.

It comes fitted with a technical FKM strap reinforced by a hydro-repellent textile insert and a deployant clasp for maximum comfort and endurance, plus an additional vintage-style strap matching the dial.

Supplied by the brand to the GPHG for its entry.