The Titanium Field Guide

Gerald Charles Maestro GC Sport Gem-Set

GC2.0-TX-TN-SAPH-01

The Gerald Charles Maestro GC Sport Gem-Set is a 39 mm Grade 5 titanium watch with a GCA2001 automatic movement.

All Gerald Charles watchesOther watchesUnder 11 mm thickGrade 5 titaniumDisplay back
Material
Titanium
Grade / type
Grade 5
Water resistance
100 m
Reference
GC2.0-TX-TN-SAPH-01
Type
Other
Price
– · Price on demand
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
GCA2001
Power reserve
50h
Complications
Date
Colour
Grey
Surface treatment
Polished
Finish technology
Natural finish
Caseback
Titanium (display)
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Royal blue HNBR vulcanized rubber with a Clous de Paris motif and a GC logo tapisserie on the underside
Display back
Yes
Dial
Royal blue sunburst with applied numerals at 3, 9 and 12, inside a bezel set with blue gemstones
Dial colours
Blue
Lume
Super-LumiNova (white, green C7 glow)
Availability
Offered
Status
Current (price on demand)
Not published
Weight, Hardness, Construction, Matching bracelet, Crystal
High confidence Verified Oct 2026 Source: Gerald Charles (Maestro GC Sport Gem-Set)
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Frequently asked questions

What grade of titanium is the Gerald Charles Maestro GC Sport Gem-Set?

Grade 5, as stated by the maker. The caseback is titanium too.

What size is the Gerald Charles Maestro GC Sport Gem-Set?

The case is 39 mm across, 8.7 mm thick and 41.7 mm from lug to lug. It is water resistant to 100 m.

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

It is in production, but the maker does not publish a price.

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