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Big Idea Design Ti Field Automatic

Big Idea Design is an American maker of everyday-carry gear, and it designed the Ti Field Automatic together with RZE, which is why the case will look familiar to anyone who knows RZE's own field watches. Its best idea is the bezel, a smooth-turning timer ring simplified from a dive bezel, which is the right tool for a parking meter or a pot of pasta. The case is Grade 2 titanium, 40.5 mm across and 12 mm thick, and the watch weighs 51 g before a strap goes on. It comes with two Neightoe straps, one in Horween leather and one in nylon, both with titanium hardware, and a titanium bracelet is sold separately. Seiko's NH36A shows the day and date and sits behind a sapphire caseback. It costs $499. The stonewashed case has sold out at the maker, and the black one is still available.

Written 28 September 2026 from Big Idea Design's product page.

All Big Idea Design watchesField watchesUnder $500MicrobrandLightweightLightest, rankedTitanium bracelet availableDisplay back
Price
$499
Material
Titanium
Grade / type
Grade 2
Weight
51 g (head only)
Water resistance
200 m
Type
Field
Case diameter
40.5 mm
Thickness
12 mm
Lug-to-lug
46 mm
Origin
United States
Movement
Automatic
Caliber
Seiko NH36A
Power reserve
41 h
Complications
Day-date
Colour
Grey
Surface treatment
Brushed titanium
Finish technology
Natural finish
Caseback
Sapphire
Nickel-free
Unconfirmed (clasp or buckle material not confirmed)
Bracelet / strap
Two Neightoe straps (Horween leather and nylon) with Grade 2 titanium hardware; titanium bracelet sold separately
Matching bracelet
Sold separately
Crystal
Sapphire
Display back
Yes
Dial
Black
Dial colours
Black
Lume
Super-LumiNova (green)
Availability
Offered
Status
Current; the stonewashed case is sold out at the maker and the black case at the same price is available
Not published
Reference, Hardness, Construction
High confidence Verified Sep 2026 Source: Big Idea Design
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Frequently asked questions

What grade of titanium is the Big Idea Design Ti Field Automatic?

Grade 2, as stated by the maker. The caseback is sapphire.

What size is the Big Idea Design Ti Field Automatic?

The case is 40.5 mm across, 12 mm thick and 46 mm from lug to lug. It is water resistant to 200 m.

How much does the Big Idea Design Ti Field Automatic weigh?

About 51 g for the watch head alone.

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

It is in production, at a list price of $499.

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