The Titanium Field Guide

Big Idea Design Ti GMT

The Big Idea Design Ti GMT is a current-production field watch with a grade 2 (ultrahex hardened) titanium case, finished with ultrahex hardened titanium. At 53 g it sits around the middle for field watches in the guide, and is priced well above the $499 median for the category. It ships on a matching titanium bracelet rather than a strap.

All Big Idea Design watchesWatch field watchesUnder $1,000MicrobrandLightweightLightest, rankedOn a titanium braceletGMT
Price
$975
Material
Titanium
Grade / type
Grade 2 (UltraHex hardened)
Weight
53 g (head only)
Water resistance
200 m
Type
Field
Case diameter
40.5 mm
Thickness
13.3 mm
Lug-to-lug
46 mm
Origin
United States
Movement
Automatic (GMT)
Caliber
Miyota 9075
Power reserve
42 h
Complications
GMT, Date
Colour
Grey
Surface treatment
UltraHex hardened titanium
Finish technology
Surface hardening
Caseback
Titanium
Nickel-free
No (steel contact)
Bracelet / strap
Five-link quick-release titanium bracelet with a stainless steel buckle
Matching bracelet
Standard
Crystal
Sapphire
Display back
No
Dial
White
Dial colours
White
Lume
Super-LumiNova BGW9 (full-dial lume)
Availability
Offered
Status
Limited edition of 300, individually numbered; sold out at the maker
Not published
Reference, Hardness, Construction
High confidence Verified Sep 2026 Source: Big Idea Design
Facts are free to cite with a link.
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Frequently asked questions

Is the Big Idea Design Ti GMT nickel-free?

No. At least one part that touches the skin is nickel-bearing steel (commonly the caseback or clasp), so the guide does not mark it nickel-free.

What is the case material of the Big Idea Design Ti GMT?

The Big Idea Design Ti GMT has a grade 2 (ultrahex hardened) titanium case with a titanium caseback. This is confirmed against the maker spec.

What size is the Big Idea Design Ti GMT?

It is 40.5 mm in diameter, 13.3 mm thick, 46 mm lug to lug, and water resistant to 200 m.

How much does the Big Idea Design Ti GMT weigh?

About 53 g (head).

How much does the Big Idea Design Ti GMT cost, and is it available?

It is current-production and lists from $975.

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