Product Detailed Description

TW Factory Patek Philippe Nautilus 5726 40mm Steel Bracelet Watch

The TW Factory Patek Philippe Nautilus 5726 combines a 40mm stainless steel case and integrated steel bracelet with a multi-indication calendar display.

This configuration is powered by a Cal.324 automatic mechanical movement and provides hours, minutes, central seconds, date, day, month and a 24-hour indication.

A horizontally striped dial and sapphire crystal with anti-reflective coating complete the design, while the full stainless steel bracelet gives this version a distinctly different wearing character from leather or rubber strap configurations.

40mm Stainless Steel Case

The Nautilus 5726 features a 40mm stainless steel case.

Its broad horizontal proportions and integrated bracelet architecture create the recognizable sports-watch profile associated with the Nautilus collection.

The 40mm dimensions also provide sufficient dial area for the multiple calendar indications while maintaining relatively balanced proportions on the wrist.

Stainless steel offers good durability for regular wear and visually connects the case directly with the matching bracelet.

Integrated Steel Bracelet

A defining feature of this configuration is the full stainless steel bracelet.

Rather than using a separate leather or rubber strap, the bracelet visually continues the architecture of the case, creating a consistent metallic appearance across the entire watch.

An integrated steel bracelet also changes the way the watch sits on the wrist because the first bracelet links form part of the overall case-to-bracelet profile.

Correct bracelet sizing is therefore important for both comfort and stability.

Horizontally Striped Dial

The dial uses a horizontal striped pattern, adding visual texture behind the primary time and calendar indications.

The linear surface treatment complements the horizontal proportions of the Nautilus case while helping distinguish different sections of the information-rich dial.

Because the 5726 incorporates several calendar indications, the striped background provides visual character without requiring additional decorative complications.

Cal.324 Automatic Movement

The TW Factory Nautilus 5726 is equipped with a Cal.324 automatic mechanical movement configuration.

The supplied functions include:

Hours
Minutes
Central seconds
Date
Day of the week
Month
24-hour indication

Automatic winding allows normal wrist movement to replenish the movement’s stored energy during regular wear.

If the watch has remained unworn and stopped, it can be manually wound before setting the time and calendar functions.

Mechanical accuracy can vary according to movement regulation, power reserve, temperature, resting position and wearing habits.

Calendar Display

The multi-indication calendar is one of the main functional characteristics of the Nautilus 5726.

Instead of providing only a conventional date window, the dial displays date, day and month information, together with a separate 24-hour indication.

This gives the wearer a broader overview of calendar information directly from the dial.

Day and Month Display

The day and month indications are displayed through separate windows positioned in the upper section of the dial.

Their symmetrical arrangement keeps both calendar indications easily identifiable while maintaining balance across the dial.

This layout also leaves the lower section available for the combined date and 24-hour display.

Date and 24-Hour Display at 6 O’Clock

At 6 o’clock, the 5726 incorporates a dedicated sub-dial for the date and 24-hour indications.

The date provides the current calendar day, while the 24-hour scale indicates the movement’s position within the day/night cycle.

This 24-hour indication can also be useful when checking the calendar mechanism before making manual adjustments.

Central Seconds

Running seconds are displayed through a central seconds hand.

Using central seconds keeps the primary time display straightforward and avoids occupying another area of the dial with an additional small-seconds register.

This leaves more space available for the 5726’s calendar information.

Sapphire Crystal with Anti-Reflective Coating

The watch features a sapphire crystal with anti-reflective coating.

Sapphire provides high resistance to everyday scratches and excellent optical transparency.

The anti-reflective treatment helps reduce surface glare, improving visibility of the hands, calendar windows and 6 o’clock sub-dial under changing lighting conditions.

Strong direct impacts should still be avoided.

Folding Clasp

The stainless steel bracelet is secured using a folding clasp.

The folding construction allows the bracelet to remain connected when opened and provides a secure closure for everyday wear.

Correct adjustment of the bracelet helps distribute the weight of the steel case and bracelet more evenly around the wrist.

The clasp and removable bracelet links should be inspected periodically for excessive play or loose components.

100m Water-Resistance Specification

The supplied TW Factory specification lists this Nautilus 5726 with 100 meters of water resistance.

Actual water resistance depends on the condition and assembly of the crown, seals, crystal and case components.

The stated specification should not automatically be considered confirmation that every individual watch has passed an independent 100m pressure test.

Professional pressure testing is recommended before swimming or prolonged intentional water exposure.

Product Specifications
Item Specification
Factory TW Factory
Collection Patek Philippe Nautilus
Model 5726
Case Size 40mm
Case Material Stainless Steel
Movement Cal.324 Automatic
Time Functions Hours, Minutes, Central Seconds
Calendar Functions Date, Day, Month
24-Hour Display Yes
Date / 24-Hour Display 6 O’Clock
Day / Month Display Upper Dial Windows
Dial Horizontally Striped
Crystal Sapphire Crystal
Crystal Treatment Anti-Reflective Coating
Water Resistance 100m Specification
Bracelet Stainless Steel
Clasp Folding Clasp
Style Automatic Calendar Sports Watch
Wearing and Care Advice

Clean the stainless steel case and bracelet periodically using a clean microfiber cloth to remove fingerprints, sweat and surface residue.

Avoid aggressive polishing because repeated polishing can gradually alter the original surface geometry and finishing.

When adjusting the calendar, operate the setting mechanism gently and avoid forcing it if unusual resistance is encountered.

Extra care should be taken around the movement’s automatic calendar-change period.

Protect the Cal.324 automatic movement from heavy impacts and strong magnetic fields.

Professional pressure testing is recommended before intentional swimming or prolonged water exposure.

Frequently Asked Questions
What size is the TW Factory Nautilus 5726?

This configuration features a 40mm stainless steel case.

What movement does the TW Factory 5726 use?

The supplied specification identifies a Cal.324 automatic mechanical movement.

What calendar information does the 5726 display?

The watch displays the date, day and month, together with a 24-hour indication.

What is displayed at 6 o’clock?

The 6 o’clock section incorporates the date and 24-hour indications.

Does this version use a rubber strap?

No. This particular configuration uses a full stainless steel bracelet with a folding clasp.

What type of crystal is used?

The dial is protected by a sapphire crystal with anti-reflective coating.

 

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