Zenith El Primero El Primero Chronomaster Open Stainless Steel / Blue 1969 / Alligator

Reference 03.2040.4061/52.C700

Zenith El Primero Chronomaster Open Stainless Steel / Blue 1969 / Alligator

About this watch

The Zenith El Primero Chronomaster Open is a masterpiece of horology, blending precision engineering with timeless design. Its stunning blue dial features a sunburst effect and stick indexes for enhanced readability. The open-heart mechanism showcases the intricate mechanics at work, creating a captivating focal point. At 42mm in diameter, this watch strikes a balance between boldness and wearability. Crafted from stainless steel, it boasts a substantial presence without feeling cumbersome. The alligator leather strap adds a touch of luxury and comfort, perfect for both formal and casual occasions. Powered by the Zenith El Primero caliber 4061 movement, featuring 282 components and a 50-hour power reserve, this watch is designed for precision. With a frequency of 36,000 vibrations per hour, it's built to withstand daily wear and tear while being water-resistant up to 100 meters. This timepiece embodies the pinnacle of horological artistry, deserving a spot in any luxury collection.
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Key Features

  • Zenith El Primero caliber 4061 movement
  • 42mm stainless steel case
  • Blue sunburst dial with stick indexes
  • Open-heart mechanism for intricate mechanics visibility
  • 50-hour power reserve and water resistance up to 100m
  • Alligator leather strap with 21mm lug width

Specifications

Brand
Zenith
Family
El Primero
Model
El Primero Chronomaster Open Stainless Steel / Blue 1969 / Alligator
Reference
03.2040.4061/52.C700
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
Case
Stainless Steel 42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith Defy Skyline Chronograph - Full Set - El Primero 3600 - $9,200

Zenith Defy Skyline Chronograph - Full Set - El Primero 3600 - $9,200

Zenith - 03.9500.3600/01.I001 · $9,200
The Zenith Defy Skyline Chronograph features a silver 'starry sky' dial, a 1/10th-second chronograph with a central chrono hand that makes one full lap every 10 seconds, and a versatile design with a quick-change system for the bracelet and strap.

  • Condition: Excellent overall Condition
  • Movement: Zenith El Primero 3600 (5Hz / 36,000 vph) with 1/10th-second chronograph
  • Case size: 42mm diameter
  • Bracelets/straps: Steel bracelet and green rubber strap with Zenith quick-change
Posted at
Jan 20, 2026, 7:23 PM
Active
View listing on r/WatchExchange
[WTS][US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

[US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

Zenith - 03.3120.3600/76.M3100 · $13,350
A Zenith El Primero Chronomaster Sport watch featuring a meteorite dial, in 42mm size.

  • Condition: Fantastic with minor hairlines
  • Case size: 42mm
Posted at
Jan 20, 2026, 7:08 AM
Active
View listing on r/WatchExchange
[WTS] Zenith 03.2522.400/69.R576 El Primero Chronomaster 45mm

Zenith 03.2522.400/69.R576 El Primero Chronomaster 45mm

Zenith - 03.2522.400/69.R576 · $4,999
This 45mm Chronomaster El Primero is a preowned Zenith watch in good condition.

  • Condition: preowned clean condition with minor hairline scratches throughout
  • Length: 45mm diameter
  • Case material: unknown (not specified)
  • Depth rating: unknown (not specified)
Posted at
Jan 19, 2026, 11:50 PM
Active
View listing on r/WatchExchange
[WTS] Zenith Defy El Primero 21 Chroma 49.9010.9004/01.R947 limited edition to 200 pieces

Zenith Defy El Primero 21 Chroma 49.9010.9004/01.R947 limited edition to 200 pieces

Zenith - 49.9010.9004/01.R947 · $10,500
This limited edition Zenith Defy El Primero 21 Chroma is one of only 200 pieces, featuring a complete set and 2022 date.

  • Condition: Mint condition
  • Year: 2022
Posted at
Jan 19, 2026, 7:19 PM
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[WTS] Zenith El Primero Captain (03.2110.400) - B/P

Zenith El Primero Captain (03.2110.400) - B/P

Zenith - 03.2110.400 · $3,250
A Zenith El Primero Captain with a 42mm diameter case and El Primero 400B movement, featuring a quickset date function.

  • Movement: El Primero 400B
  • Case diameter: 42mm
  • Crystal: Sapphire
Posted at
Jan 17, 2026, 11:13 PM
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[WTS] Zenith El Primero Defy Extreme Diver Titanium Ref 95.9601.3620/51.I301 AKA A FULL ON WRIST PARTY!

Zenith El Primero Defy Extreme Diver Titanium Ref 95.9601.3620/51.I301 AKA A FULL ON WRIST PARTY!

Zenith - 95.9601.3620/51.I301 · $7,950
This is a Zenith El Primero Defy Extreme Diver Titanium watch with a beautiful blue starry sunray pattern dial and a 42.5MM titanium case.

  • Condition: Pre-owned, mint condition
  • Movement: El Primero automatic cal 3620 CS
  • Case size: 42.5mm diameter
  • Straps: Original blue rubber strap and oversized cloth dive strap with Zenith buckle
Posted at
Jan 15, 2026, 8:35 PM
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[WTS] RARE Zenith El Primero Chronograph 18K White Gold Yoshida Edition - JUST 15 MADE - Collector Set!

RARE Zenith El Primero Chronograph 18K White Gold Yoshida Edition - JUST 15 MADE - Collector Set!

Zenith - 65.3101.3600/21.C920 · $12,850
A rare Zenith El Primero Chronograph in solid 18K white gold, produced for the Yoshida store in Tokyo and limited to just 15 examples.

  • Condition: Beautiful condition, some minor wear on gold bezel and case sides
  • Case size: 40MM
  • Movement type: Cal 3600 automatic movement
Posted at
Jan 14, 2026, 8:40 PM
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[WTS][US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

[US] Zenith El Primero Chronomaster Sport - Meteorite Dial - 42mm - 03.3120.3600/76.M3100 - Full Set

Zenith - 03.3120.3600/76.M3100 · $13,400
This Zenith El Primero Chronomaster Sport features a Meteorite Dial and measures 42mm in diameter.

  • Condition: Fantastic condition, minor hairlines
  • Case size: 42mm
  • Diameter: 42mm
Posted at
Jan 13, 2026, 8:12 AM
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[WTS] Brand New Zenith Chronomaster Original Reverse Panda El Primero Chronograph | 03.3200.3600/21.C903 | Full Zenith warranty | $7500 + shipping

Brand New Zenith Chronomaster Original Reverse Panda El Primero Chronograph | 03.3200.3600/21.C903 | Full Zenith warranty | $7500 + shipping

Zenith - 03.3200.3600/21.C903 · $7,500
This brand new Zenith Chronomaster Original Reverse Panda model has been discontinued by the manufacturer and comes with a full 2-year warranty.

  • Condition: Brand new, never used
  • Case material:
  • Strap type: leather strap with deployant clasp
  • Warranty: 2-year warranty (extendable to 5 years)
Posted at
Jan 12, 2026, 6:11 PM
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View listing on r/WatchExchange