Jack Mason Strat-o-timer Titanium Diver GMT: Cobalt

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$1,399.00
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$1,399.00
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Description

Product Overview

The Strat-o-timer Titanium Diver GMT was designed to be a tool watch, taking the brand's flagship model and placing it in the dive watch category. The 40mm shaped case and 7-link bracelet remains as identifiers of the Strat-o-timer platform, but is given an alternative identity with its full Grade 2 titanium case and bracelet. The bezel is equipped with a circular brushed ceramic bezel with a traditional dive marking layout. Inside is the Miyota 9075 GMT movement that features an independently jumping local hour hand, regulated in-house to +/- 5 seconds per day. The bezel, dial, and handset feature Grade A BGW9 to ensure long lasting glow. With a vision of becoming a legacy brand in our home state of Texas, the Strat-o-timer is assembled, and the movement regulated, in the USA.

Tracks Two Timezones

The self-winding Miyota 9075 movement is engineered to precisely track two different timezones at the same time via the orange GMT hand and the 24-hour scale printed on the dial. Every movement is regulated in-house by skilled watchmakers to maintain an accuracy tolerance of ±5 seconds per day.

Made From Titanium

The case and bracelet are built from Grade 2 Titanium, a material made for gear that’s meant to be used, not babied. It’s naturally lightweight, corrosion resistant, and has been fortified with an extra hardness coating for even more resilience. The Strat-o-timer Titanium Diver GMT is engineered to take on the full force of salt, sand, and sea.

Ceramic Dive Bezel

The 120-click unidirectional bezel is built from ceramic and engineered to perform in unforgiving conditions. The circular brushed finish gives it a raw, utilitarian edge that complements the titanium case, while every rotation delivers a solid, confident click that feels as dependable as it sounds. It’s a functional tool purposely built for precision timing.

Legible In Low Light

Legibility is essential, not optional, so the Strat-o-timer is loaded with Swiss Super-LumiNova® where it matters most. Deep pools of BGW9 luminescent material fills the bezel markings, indices, and hands for maximum clarity. In darkness, it glows a sharp blue, cutting through the black, while daylight reveals its crisp white color.

Titanium 7-Link Bracelet

The Diver GMT is equipped with a brand new 7-link bracelet built from Grade 2 Titanium. Its brushed finish complements the case perfectly, creating a unified, seamless look that feels as deliberate as it does durable. Lightweight yet incredibly strong, the bracelet sits comfortably on the wrist and delivers a wearing experience that keeps up with every expedition.

Quick-Adjust Clasp

The bracelet features a concealed, tool-free system for on-the-go micro-adjustments. The clasp has been carefully engineered with 9 levels of fine-tuning to ensure the perfect fit, even over a wet suit. While being worn, all the clasp’s mechanics stay hidden out of view to preserve the bracelet’s refined and uniform look.

FKM Tropic Strap Included

The Strat-o-timer Titanium Diver GMT comes with an extra FKM Tropic strap that is durable, flexible, and ready for long days in the water. The quick-release system is engineered to allow for fast changes on the fly, so you can swap it in, gear up, and push forward to wherever the next adventure leads.

 

SPECIFICATIONS

Dimensions

Case Diameter: 40mm

Case Thickness: 13.2mm

Lug Width: 20mm

Lug to Lug: 47mm

Movement

Movement: Miyota 9075

Movement Type: Automatic Flyer GMT with Jump Hour

Features: Hours, Minutes, Running Second, GMT Hand, Date

Accuracy: +/-5 seconds per day (regulated by Jack Mason)

Jewels: 24

Vibration Frequency: 28,800 vph

Power Reserve: 42 hours

Case & Dial

Case Material: Titanium Grade 2

Bezel: 120-Click, Ceramic

Crystal Type: Sapphire

Lume: Swiss Super-LumiNova®

Caseback: Closed

Crown: Screw-down

Depth Rating: 20ATM, 200m

Weight: 118g (including bracelet)

Attachment

Bracelet Material: Titanium Grade 2

Width: 20mm > 16mm taper

End Links: Solid with quick-release

Clasp: On the fly micro-adjust

Compatibility: 20mm Straps

Shipping & Delivery

Most items listed on our website are in stock and ready to ship. In the rare event that an item becomes unavailable after your order is placed, our team will contact you with the option to:

  • Wait for the item to be restocked.
  • Exchange it for another available product.
  • Receive a full refund.

Shipping

Shipping options, rates, and estimated delivery times are displayed at checkout based on your location and selected service.

Once your order has shipped, you will receive a confirmation email with tracking information.

Processing Times

Orders are typically processed within 1–2 business days.

Orders placed on weekends or holidays will be processed on the next business day.

Delivery times shown at checkout are estimates provided by the carrier and may vary due to weather, holidays, carrier delays, or other circumstances outside of our control.