Zenith El Primero El Primero Chronomaster Power Reserve Blue

Reference 03.2085.4021/51.C700

Zenith El Primero Chronomaster Power Reserve Blue

About this watch

The Zenith El Primero Chronomaster Power Reserve Blue is a masterpiece of watchmaking, blending tradition with modernity to create a timepiece that is both stunning and precise. Its robust stainless steel case measures 42mm in diameter, sitting comfortably on the wrist while its polished finish reflects light beautifully. The blue dial features a sunburst effect, adding a dynamic quality that changes hues as light hits it from different angles. The stick and dot indexes are minimalist yet classic, ensuring readability is never compromised. At the heart of this watch is the Zenith caliber El Primero 4021, a marvel of engineering consisting of 248 components that work in harmony. With an impressive power reserve of 50 hours, this automatic movement ensures you'll never miss a moment. The column wheel chronograph offers precision timing that is simply unmatched, while its silicon escape-wheel and lever enhance durability and reduce friction. This watch is built to withstand the elements, with a water resistance of up to 100 meters. Whether you're a seasoned collector or a newcomer to luxury timepieces, this watch deserves a place in your collection.
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Key Features

  • 42mm stainless steel case
  • Blue sunburst dial with stick and dot indexes
  • Zenith caliber El Primero 4021 automatic movement
  • 50-hour power reserve
  • Column wheel chronograph with silicon escape-wheel and lever
  • 100m water resistance
  • High-quality leather strap or stainless steel bracelet option

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Power Reserve Blue
Reference
03.2085.4021/51.C700
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
  • Power Reserve Indicator
Case
Stainless Steel 42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,750

Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,750

Zenith - 03.9500.3600/01.I001 · $7,750
2024 Zenith Defy Skyline Chronograph 'Starry Sky' with El Primero 3600 high-beat auto chrono, 42mm stainless steel case, and integrated bracelet.

  • Condition: Excellent, light bracelet wear
  • Case Size: 42mm
  • Depth Rating: 100m
  • Movement: El Primero 3600 high-beat auto chrono (36,000 vph / 5Hz)
Posted at
May 19, 2026, 8:35 AM
Active
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[WTS] Panerai Luminor Chrono PAM00074 Titanium/Steel Zenith El Primero Movement 2002 (Full-Set/Serviced)

Panerai Luminor Chrono PAM00074 Titanium/Steel Zenith El Primero Movement 2002 (Full-Set/Serviced)

Panerai - PAM 00074 · $6,205
This exceptional Panerai Luminor Chronograph PAM 00074 represents a remarkable fusion of Italian design heritage and Swiss horological excellence, featuring the legendary Zenith El Primero automatic movement.

  • Condition: Pre-owned with honest wear consistent with careful ownership
  • Case size: 40 x 48mm
  • Year: 2002
  • Movement type: Zenith El Primero automatic movement
Posted at
May 18, 2026, 9:08 PM
Active
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[WTS] Ultra Rare Zenith El Primero Tourbillon Chronograph 18K White Gold Collector Set - JUST 50 MADE!

Ultra Rare Zenith El Primero Tourbillon Chronograph 18K White Gold Collector Set - JUST 50 MADE!

Zenith - 65.1260.4005/21.C505 · $20,500
The Zenith El Primero Tourbillon Chronograph is a limited edition of just 50 made in full 18 karat white gold, featuring an automatic chronograph cal 4005 and a beautiful black dial highlighting the incredible tourbillon.

  • Condition: Really clean condition, including the sapphire crystal
  • Case Diameter: 45MM
  • Movement: El Primero automatic chronograph cal 4005
Posted at
May 17, 2026, 11:12 PM
Active
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[WTS] Zenith El Primero Chronomaster Open Gold Bezel/Two-Tone Complete Set 2022

Zenith El Primero Chronomaster Open Gold Bezel/Two-Tone Complete Set 2022

Zenith - 51.2080.4061/69.C494 · $6,996
This Zenith Chronomaster El Primero Open features a two-tone stainless steel and 18k rose gold design, silver sunray dial, open-heart display, and blue chronograph accents.

  • Movement: El Primero 4061 column-wheel chronograph
  • Material: Stainless Steel, 18k Rose Gold
  • Dial: Silver sunray
Posted at
May 17, 2026, 6:24 PM
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[WTS] Zenith El Primero Vintage Rainbow Chronograph White Dial 40mm Box & Papers

Zenith El Primero Vintage Rainbow Chronograph White Dial 40mm Box & Papers

Zenith - El Primero Rainbow Chronograph · $3,950
The Zenith El Primero Rainbow Chronograph is a distinctive and historically significant chronograph that showcases the legendary El Primero movement in a bold and sporty design.

  • Condition: Great original condition for its age with typical signs of wear in the metals and fine hairlines in the crystal visible in harsh light under certain angles.
  • Size: 40mm diameter
  • Water resistance: 100m depth rating
  • Movement power reserve: ~50 hours
Posted at
May 17, 2026, 2:14 PM
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[WTS] Zenith Chronomaster. El Primero. Power Reserve. Open Heart. OEM Strap, OEM Deployant Clasp...

Zenith Chronomaster. El Primero. Power Reserve. Open Heart. OEM Strap, OEM Deployant Clasp...

Zenith - Chronomaster El Primero Power Reserve Open Heart · $3,295
A Zenith Chronomaster with an El Primero movement, power reserve, and open heart display is being sold.

  • Straps: OEM Strap
  • Clasp: OEM Deployant Clasp
Posted at
May 16, 2026, 1:18 PM
Active
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[WTS] Zenith Tipo CP-2 Chronograph 03.2240.4069, Underrated El Primero Beast (641/1000)

Zenith Tipo CP-2 Chronograph 03.2240.4069, Underrated El Primero Beast (641/1000)

Zenith - 03.2240.4069
Zenith Tipo CP-2 Chronograph 03.2240.4069 is an underrated El Primero beast, one of only 641 pieces produced out of 1000.

  • Condition: Underrated
Posted at
May 15, 2026, 9:21 PM
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[WTS] Brand New 2025 Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | Price reduced

Brand New 2025 Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | Price reduced

Zenith - 03.3200.3600/21.C903 · $6,800
A brand new, discontinued Zenith Chronomaster Original Reverse Panda chronograph watch, still in its original packaging and with a full 2-year warranty.

  • Condition: Brand new, never used
  • Material: leather
  • Strap size: unknown
  • Warranty duration: 2 years
Posted at
May 14, 2026, 11:52 AM
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[WTS] Zenith Defy El Primero 21 • Titanium • Skeleton • Full Set • Serviced

Zenith Defy El Primero 21 • Titanium • Skeleton • Full Set • Serviced

Zenith - Defy El Primero 21
This listing is about a Zenith Defy El Primero 21 watch with a titanium case, skeleton design, and full set. It has been serviced.

  • Condition: Full set
  • Material: titanium
  • Movement: El Primero 21
Posted at
May 14, 2026, 10:03 AM
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