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 titanium case. At 48.4 g it sits among the lighter field watches in the guide, and is priced close to the $600 median for the category.

All ProTek watchesExotic-material field watchesTitaniumUnder $5,000
Price
$550
Material
Titanium
Grade / type
Titanium
Weight
48.4 g
Water resistance
100 m
Reference
PT3100 series
Type
Field
Case diameter
40.0 mm
Thickness
11 mm
Origin
United States
Movement
Quartz
Caliber
Miyota Super 2035
Complications
Time only
Colour
Grey
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, blue or grey dial; natural titanium or black IP case
Dial colours
Black Grey Blue
Lume
Pro-Glo T100 tritium tubes
Availability
Offered
Status
Current
Not published
Lug-to-lug, Power reserve, Hardness, Construction
Medium confidence Verified Aug 2026 Source: ProTek Watches Also sold asPT3101, PT3102, PT3103, PT3106, PT3101BR, PT3102BR, PT3103BR, PT3106BR
Facts are free to cite with a link.
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Alternatives to the ProTek Series 3100 USMC Titanium Field

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More exotic-material 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 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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