The Wristwatch Field Guide

ProTek Series 3100 USMC Titanium Field

PT3100 series

The ProTek Series 3100 USMC Titanium Field is a current-production field watch with a grey titanium case. It measures 40.0 mm across, 11 mm thick, 48.4 g, and is water resistant to 100 m. Inside is the Miyota Super 2035 quartz movement. Complications: Time only. Priced from $550 (Bracelet (BR) variants from 725). Brand origin: United States.

Titanium and ceramic field watchesTitaniumUnder $5,000
Reference
PT3100 series
Type
Field
Price
$550 · Bracelet (BR) variants from 725
Case diameter
40.0 mm
Thickness
11 mm
Lug-to-lug
–
Water resistance
100 m
Weight
48.4 g
Origin
United States
Movement
Quartz
Caliber
Miyota Super 2035
Power reserve
–
Complications
Time only
Material
Titanium
Grade / type
Titanium
Colour
Grey
Hardness
–
Construction
–
Surface treatment
None
Caseback
Titanium
Nickel-free
Not verified (clasp or buckle material not confirmed)
Bracelet / strap
Italian leather strap or titanium bracelet (titanium buckle)
Matching bracelet
Optional (or strap)
Crystal
Sapphire (anti-reflective)
Display back
No
Dial
Black; IP gun and IP black case options; leather or titanium bracelet
Lume
Pro-Glo T100 tritium tubes
Availability
Offered
Status
Current
Medium confidence Verified Jun 2026 Source: ProTek Watches Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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Alternatives to the ProTek Series 3100 USMC Titanium Field

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More titanium and ceramic watches from ProTek

ProTek Series 3000 Titanium FieldProTekSeries 3000 Titanium Field$52540.0 mm11 mm thick48.4 gField

Frequently asked questions

What is the case material of the ProTek Series 3100 USMC Titanium Field?

The ProTek Series 3100 USMC Titanium Field has a grey titanium case with a titanium caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the ProTek Series 3100 USMC Titanium Field?

It is 40.0 mm in diameter, 11 mm thick, and water resistant to 100 m.

How much does the ProTek Series 3100 USMC Titanium Field weigh?

About 48.4 g.

How much does the ProTek Series 3100 USMC Titanium Field cost, and is it available?

It is current-production and lists from $550.

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