The Wristwatch Field Guide

Gerald Charles Maestro GC Sport Tennis

The Gerald Charles Maestro GC Sport Tennis is a current-production watch with a grade 5 titanium case.

Exotic-material other watchesTitanium
Material
Titanium
Grade / type
Grade 5
Water resistance
100 m
Type
Other
Case diameter
39.0 mm
Thickness
8.7 mm
Lug-to-lug
41.7 mm
Origin
Switzerland
Movement
Automatic, ultra-thin (crown at left)
Caliber
GCA3002 (Vaucher Manufacture)
Power reserve
50h
Complications
Time only
Colour
Grey
Surface treatment
None
Nickel-free
Not verified (contact-point materials not all confirmed)
Dial
Yellow and white colourways
Dial colours
White Yellow
Availability
Offered
Status
Current; maker spec page pending re-check
Not published
Reference, Price, Weight, Hardness, Construction, Caseback, Bracelet / strap, Matching bracelet, Crystal, Display back, Lume
Medium confidence Verified Jul 2026 Source: Fratello (GC Sport Tennis hands-on) / Monochrome (Gerald Charles GC Sport titanium) Maker / listing ↗ Suggested by u/Potential-Peace6416
Facts are free to cite with a link.
See it in the interactive guide

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Alternatives to the Gerald Charles Maestro GC Sport Tennis

Cadisen Titanium TI-7 AutodyneCadisenTitanium TI-7 Autodyne$13040.0 mm11.5 mm thick58 gOthersame category · same style · similar size · same movementThorn T018 PT5000 Retro TitaniumThornT018 PT5000 Retro Titanium$18941.9 mmOthersame category · same style · similar size · same movementBoderry SeaTurtle.Ocean TitaniumBoderrySeaTurtle.Ocean Titanium$19940.0 mm12.5 mm thick72 gOthersame category · same style · similar size · same movement
Eclat GroveForest Guardian$33940.0 mmOthersame category · same style · similar size · same movementKRONOSTI STRUC Time ShuttleKRONOSTISTRUC Time Shuttle$35842.0 mm16.6 mm thickOthersame category · same style · similar size · same movementSpinnaker Hull Titanium Bronze Automatic Lapidary LESpinnakerHull Titanium Bronze Automatic Lapidary LE$42542.0 mmOthersame category · same style · similar size · same movement

More exotic-material watches from Gerald Charles

Gerald CharlesMaestro 3.0 Chronograph–39.0 mm11.5 mm thickChronograph
Gerald CharlesMaestro GC Sport–39.0 mm8.7 mm thickOther

Frequently asked questions

What is the case material of the Gerald Charles Maestro GC Sport Tennis?

The Gerald Charles Maestro GC Sport Tennis has a grade 5 titanium case. It is recorded at medium confidence pending a maker-stated material.

What size is the Gerald Charles Maestro GC Sport Tennis?

It is 39.0 mm in diameter, 8.7 mm thick, 41.7 mm lug to lug, and water resistant to 100 m.

How much does the Gerald Charles Maestro GC Sport Tennis cost, and is it available?

It is current-production; the guide does not list a price for it.

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