Watch
ProTek - Watch - Model PT4101SF USMC Carbon Dive
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Why you'll love it
A rugged and highly durable dive watch for extreme conditions.
Nick here at Veloce personally ensures every order ships and arrives. Not sure it's the right piece, or want something different? Reach out — a real person will help you sort it, unlike the faceless shops out there.
Message Nick →Description
The ProTek PT4101SF USMC Carbon Dive watch is a robust and highly functional timepiece designed for enthusiasts and professionals who demand reliability in extreme conditions. This special edition celebrates the USMC, featuring the motto "SEMPER FIDELIS" and the years "1775-2025" on the dial, making it a meaningful tribute for those connected to the Marine Corps.
Crafted with a durable 45mm carbon composite case and a 60-click unidirectional ratcheting dive timing bezel, this watch is built to withstand the rigors of diving and outdoor adventures. Its impressive 300-meter water resistance ensures performance in deep waters, while the anti-reflective sapphire crystal provides clear readability.
Powering the watch is a dependable Japanese Citizen/Miyota 2035 quartz 3-hand movement, offering precise timekeeping with a 4-year battery life. A standout feature is the Swiss self-powered Pro-Glo T100 illumination system, which glows continuously for 25 years without external charging, providing unparalleled visibility in low-light environments.
Completing its rugged design is a genuine rubber strap, reinforced with a steel tube for enhanced durability and comfort, secured by a signature steel buckle.
Highlights:
- USMC Special Edition: Features "SEMPER FIDELIS 1775-2025 USMC" on the dial.
- Exceptional Durability: Carbon composite case, sapphire crystal, and 300m water resistance.
- Superior Illumination: Swiss Pro-Glo T100 tritium system for 25 years of continuous glow.
- Reliable Movement: Japanese Citizen/Miyota quartz movement with a 4-year battery.
Specifications
- Display
- Analog
- Case Size
- 45mm
- Case Material
- Carbon Composite
- Movement
- Quartz
- Water Resistance
- 300m / 30ATM
- Crystal
- Sapphire with Anti-reflective Coating
- Dial Colour
- Black
- Band Material
- Rubber
- Strap/Bracelet
- Strap
How it works
What this watch’s key specs actually mean on the wrist.
Quartz
Quartz movement
A battery sends current through a quartz crystal that vibrates exactly 32,768 times a second, which the watch counts to keep time to within seconds a month — more accurate than almost any mechanical watch. Grab-and-go reliable: no winding, low maintenance, and years between battery changes.
300m / 30 ATM
Water resistance
Rated to 300m / 30 ATM — serious professional-diver territory. This is far more depth than daily life will ever ask of it, which is exactly the point: total peace of mind around water.
45mm
Case size
The case measures 45mm across (excluding the crown) — a bold, sporty footprint that makes a statement and wears best on larger wrists. Case size is the single biggest factor in how a watch actually wears, so it's worth picturing against your own wrist.
Carbon
Case material
Carbon composite is extremely light and shock-absorbing, with a marbled, high-tech look where no two cases are exactly alike. It brings serious-sports-watch DNA without the weight of metal.
Please note: international orders may be subject to customs duties, import taxes, or handling fees imposed by the destination country. These charges are set by your local customs authority and, where applicable, are the responsibility of the recipient.
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