ZF Factory Patek Philippe Aquanaut 5164R-001 40.8mm White Gold Rubber Strap Blue-Gray Dia

Product Detailed Description

ZF Factory Patek Philippe Aquanaut 5164R-001 GMT 40.8mm Watch

The ZF Factory Patek Philippe Aquanaut 5164R-001 combines a 40.8mm stainless steel case with a Cal.330 automatic mechanical movement and a practical dual-time display.

Its functions include hours, minutes, central seconds, a central skeletonized GMT hand and a date display positioned at 6 o’clock. Separate HOME and LOCAL day/night indicators provide additional information when reading two time zones.

Two distinctive pushers positioned on the left side of the case allow the local-time indication to be adjusted forward or backward, making the dual-time system one of the defining functional characteristics of this Aquanaut configuration.

40.8mm Stainless Steel Case

The watch features a 40.8mm stainless steel case, providing moderate proportions for a sports-oriented travel watch.

The case combines the recognizable Aquanaut profile with an integrated relationship between the case, bezel and rubber strap.

Stainless steel provides good durability for everyday wear while maintaining a relatively understated metallic appearance.

The supplied specifications identify this configuration as stainless steel, so this page follows those specifications rather than assuming precious-metal construction from the reference number alone.

Stainless Steel Bezel

A stainless steel bezel surrounds the dial and maintains a consistent material relationship with the case.

The bezel forms an important part of the Aquanaut’s exterior architecture and frames the information-rich GMT dial.

As with other exposed steel surfaces, contact with hard or abrasive objects should be minimized to reduce unnecessary scratches and impact marks.

Cal.330 Automatic Movement

This ZF Factory Aquanaut 5164R-001 is equipped with a Cal.330 automatic mechanical movement configuration.

The supplied functions include:

Hours
Minutes
Central seconds
Central skeletonized GMT hand
Date
HOME / LOCAL day-night indications

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

If the watch has remained unworn and stopped, the movement can be manually wound before the time and other indications are adjusted.

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

Central Skeletonized GMT Hand

A key functional feature is the central skeletonized GMT hand, which is used to reference a second time zone.

The openworked design helps visually distinguish the additional time-zone hand from the primary hour and minute hands.

This makes it possible to retain two time references on the same dial without requiring a separate GMT subdial.

For travelers or users regularly communicating across different regions, the dual-time architecture provides a practical way to keep another time zone visible.

HOME and LOCAL Day/Night Indicators

The dial incorporates separate HOME and LOCAL square day/night windows.

These indications provide additional context when reading the two displayed time zones, helping distinguish daytime from nighttime hours.

Their compact square format integrates the additional information into the dial without requiring large secondary subdials.

Together with the central GMT hand, these indicators form an important part of the watch’s travel-oriented display architecture.

Left-Side Time Adjustment Pushers

One of the most recognizable functional elements of this configuration is the pair of shark-fin-shaped pushers on the left side of the case.

These controls are used to adjust the local-time indication forward or backward.

This arrangement allows the displayed local time to be changed more conveniently when moving between time zones, while the additional GMT indication can continue to provide a reference to the second time zone.

The pushers should be operated deliberately and without excessive force.

Date Display at 6 O’Clock

The calendar is positioned at 6 o’clock, separating the date indication from the primary central time display.

This lower-dial position helps balance the additional GMT and HOME / LOCAL information distributed across the dial.

The calendar forms part of the watch’s everyday functionality alongside the dual-time indications.

When manually adjusting the movement, avoid forcing the setting mechanism if unusual resistance is encountered.

Arabic Numeral Dial

The dial incorporates prominent Arabic numeral hour markers, providing clear reference points around the display.

The numerals help maintain legibility despite the additional GMT hand, date display and day/night indicators.

This combination of large numerals and multiple travel-related indications gives the dial a more functional appearance than a conventional three-hand Aquanaut configuration.

A specific dial color was not included in the supplied information, so no additional color is assumed.

Sapphire Crystal with Anti-Reflective Coating

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

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

The anti-reflective treatment helps reduce glare and improves visibility of the Arabic numerals, GMT hand, HOME / LOCAL indicators and calendar display under different lighting conditions.

Strong direct impacts against hard surfaces should still be avoided.

Natural Rubber Strap

This configuration uses a natural rubber strap, complementing the sports-oriented character of the Aquanaut.

Rubber provides flexibility and good resistance to everyday moisture while creating a softer wearing experience than a full-metal bracelet.

Correct strap sizing is important for maintaining a secure and comfortable fit around the wrist.

The rubber material can be cleaned gently with fresh water and dried thoroughly afterward.

Stainless Steel Folding Clasp

The natural rubber strap is secured using a stainless steel folding clasp.

The steel construction visually coordinates with the case and bezel while the folding mechanism keeps the strap sections connected when opened.

The clasp and strap attachment points should be inspected periodically for excessive wear or looseness.

100m Water-Resistance Specification

The supplied ZF Factory specification lists the Aquanaut with 100 meters of water resistance.

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

A supplied 100m specification should not automatically be considered confirmation that every individual watch has passed an independent pressure test to that depth.

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

Product Specifications
Item Specification
Factory ZF Factory
Brand Patek Philippe
Collection Aquanaut
Reference 5164R-001
Case Size 40.8mm
Case Material Stainless Steel
Bezel Stainless Steel
Movement Cal.330 Automatic
Functions Hours, Minutes, Central Seconds, GMT, Date
GMT Display Central Skeletonized Hand
Day/Night Display HOME / LOCAL Windows
Date Position 6 O’Clock
Time Adjustment Left-Side Forward / Backward Pushers
Dial Arabic Numerals
Crystal Sapphire Crystal
Crystal Treatment Anti-Reflective Coating
Water Resistance 100m Specification
Strap Natural Rubber
Clasp Stainless Steel Folding Clasp
Style Automatic Dual-Time / Travel Watch
GMT and Travel-Time Functions

The main technical distinction of this Aquanaut configuration is its combination of a central skeletonized GMT hand, HOME / LOCAL indicators and left-side adjustment pushers.

The second-time-zone indication allows another time reference to remain visible, while the separate day/night windows provide additional context for the displayed HOME and LOCAL times.

The left-side pushers provide forward and backward adjustment of the relevant local-time indication, reducing the need to perform the entire adjustment through the crown.

This combination makes the dual-time system the main functional difference between this configuration and simpler three-hand Aquanaut models.

Wearing and Care Advice

Clean the stainless steel case and folding clasp using a clean, soft microfiber cloth. Avoid unnecessary abrasive polishing.

The natural rubber strap can be cleaned gently with fresh water and should be dried thoroughly afterward.

Operate the left-side time-adjustment pushers gently and avoid applying excessive force if resistance is encountered.

Protect the Cal.330 automatic movement from heavy impacts and strong magnetic fields.

Because this model includes additional case controls, professional pressure testing is particularly advisable before relying on the supplied 100m specification for intentional water exposure.

Frequently Asked Questions
What size is the ZF Factory Aquanaut 5164R-001?

This configuration features a 40.8mm case.

What movement does the watch use?

The supplied specification identifies a Cal.330 automatic mechanical movement.

Does this Aquanaut have a GMT function?

Yes. It features a central skeletonized GMT hand for displaying a second time-zone reference.

What are the HOME and LOCAL windows?

They are day/night indicators associated with the HOME and LOCAL time displays, helping distinguish daytime and nighttime hours.

What are the controls on the left side of the case?

The distinctive shark-fin-shaped pushers provide forward and backward adjustment of the local-time indication.

What strap does this configuration use?

The watch features a natural rubber strap with a stainless steel folding clasp.

Please identify the merchant when purchasing to prevent buying counterfeit ZF Factory products.

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