Zenith El Primero El Primero Chronomaster Open Stainless Steel / Blue 1969 / Alligator
Reference 03.2040.4061/52.C700
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 El Primero ref. 01.0200.415 Big Blue circa 1973](https://preview.redd.it/gwwf9m4lh0zg1.jpeg?auto=webp&s=22bcc12b6c9aed66f16f97ee14803bc5626b9160)
Zenith El Primero ref. 01.0200.415 Big Blue circa 1973
The Zenith El Primero is a legendary high-frequency automatic chronograph movement first introduced in 1969, featuring an integrated automatic chronograph movement that beats at 5 Hz (36,000 vph) and allows it to measure elapsed time with a precision of 1/10th of a second. The watch has a 'space-age' 1970s aesthetic and rocker style pushers.
- Condition: Excellent
- Case size: 42mm diameter
- Lug to lug: 44h
- Thickness: 14.3mm
![[WTS] Brand New Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | June 2025 Zenith warranty](https://preview.redd.it/t36mxczhhsyg1.jpg?width=640&crop=smart&auto=webp&s=5ea480c55f919df246ab348009f4887d1dd71a10)
Brand New Zenith Chronomaster Original El Primero Chronograph Reverse Panda | 03.3200.3600/21.C903 | June 2025 Zenith warranty
The Zenith Chronomaster Original El Primero Chronograph Reverse Panda is a discontinued model that comes with a brand new Zenith leather strap and a deployant clasp. It features the original protective stickers still intact.
- Condition: Brand new, unused
- Warranty Start Date: June 2025
- Shipping Method: USPS Registered Mail
- Shipping Restriction: CONUS only
![[WTS] Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,850](https://preview.redd.it/dly0mppg7ryg1.jpg?width=640&crop=smart&auto=webp&s=a1b1d8394bf39eaeb63df7892ea9e8301b895a36)
Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,850
This Zenith Defy Skyline Chronograph features the El Primero 3600 movement, a high-beat automatic chronograph with a 60-hour power reserve and 35 jewels. The watch has a silver/white 'Starry Sky' dial and is available in full set, including an integrated stainless steel bracelet and OEM Zenith green rubber strap.
- Condition: Excellent
- Movement: El Primero 3600, automatic chronograph
- Frequency: 36,000 vph (5Hz)
- Power reserve: 60 hours
![[WTS][US] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set](https://preview.redd.it/v7kl8huljbyg1.jpg?width=640&crop=smart&auto=webp&s=fe01b25d7494b9437bc79c16618e5c71e1d69460)
[US] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set
A Zenith El Primero Chronomaster Sport featuring a white dial and 41mm case size is up for sale.
- Condition: Fantastic condition with few hairlines
- Case diameter: 41mm
- Bracelet length: fully linked
Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete
A Zenith El Primero Chronomaster Open Heart chronograph watch, featuring a 42mm stainless steel case and in-house Caliber Zenith El Primero 4061 movement. The watch is dated October 2014 and has been recently serviced by Zenith.
- Condition: Mint Condition with light hairline scratches only
- Case size: 42mm diameter
- Water resistance: 30m depth rating
Zenith El Primero Synopsis Open Heart � BOX & PAPERS � 03.2170.4613/01.M2170
A Zenith El Primero Synopsis Open Heart watch with a 40-millimeter case diameter and gold-toned hands, featuring an open heart design and classic modern architecture.
- Condition: Excellent, little to no visible wear
- Case Diameter: 40mm
- Bracelet Length: 16.5 links
- Bracket Fit: up to 7.25 inches in circumference
Zenith Chronomaster - El Primero - Original - Tricolor Dial - Complete
A Zenith Chronomaster Original with a tricolor dial, featuring an automatic movement and stainless steel case.
- Condition: Excellent
- Case size: 38mm diameter
Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete
A Zenith El Primero Chronomaster Open Heart chronograph watch with a 42mm stainless steel case, featuring a Caliber Zenith El Primero 4061 movement and a date of manufacture in October 2014.
- Condition: Mint Condition
- Case diameter: 42mm
- Movement frequency: 36,000 VPH
Zenith 42mm El Primero Chronomaster Open Heart Stainless Steel Complete
This is a Zenith El Primero Chronomaster Open Heart chronograph watch, featuring a 42mm stainless steel case and powered by the Caliber Zenith El Primero 4061 movement.
- Condition: Mint Condition with light hairline scratches
- Case diameter: 42mm
- Movement frequency: 36,000 VPH
- Power reserve: 50 hour PR