The Titanium Field Guide

Big Idea Design Ti Field Automatic

The Big Idea Design Ti Field Automatic is a current-production field watch with a grade 2 titanium case, finished with brushed titanium. At 51 g it sits among the lighter field watches in the guide, and is priced close to the $499 median for the category. The caseback is open, so the movement is visible.

All Big Idea Design watchesWatch field 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
Facts are free to cite with a link.
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Frequently asked questions

What is the case material of the Big Idea Design Ti Field Automatic?

The Big Idea Design Ti Field Automatic has a grade 2 titanium case with a sapphire caseback. This is confirmed against the maker spec.

What size is the Big Idea Design Ti Field Automatic?

It is 40.5 mm in diameter, 12 mm thick, 46 mm lug to lug, and water resistant to 200 m.

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

About 51 g (head).

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

It is current-production and lists from $499.

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