Zenith El Primero El Primero Chronomaster Power Reserve Blue
Reference 03.2085.4021/51.C700
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 El Primero New Vintage 1969 Titanium Skeleton Chronograph - 40th Anniversary Limited Edition Ref.96.1969.469/77.C683 | Papers & Extra Strap](https://preview.redd.it/ws16jpx6c6wf1.jpg?width=640&crop=smart&auto=webp&s=41bcfff150797070cd840fa30f202e998760017d)
Zenith El Primero New Vintage 1969 Titanium Skeleton Chronograph - 40th Anniversary Limited Edition Ref.96.1969.469/77.C683 | Papers & Extra Strap
The Zenith El Primero New Vintage 1969 Titanium Skeleton Chronograph is a limited edition watch that pays tribute to the original A384 case design, now executed in lightweight titanium.
- Condition: Excellent overall
- Movement Frequency: 36,000 vph
- Case Material: Titanium
- Case Size: 40 mm diameter
![[WTS] Zenith El Primero New Vintage 1969 Titanium Skeleton Chronograph – 40th Anniversary Limited Edition| Ref. 96.1969.469/77.C683 | Papers & Extra Strap](https://preview.redd.it/am6ht0k9s5wf1.jpg?width=640&crop=smart&auto=webp&s=9733e8bd5637c89a1826904e297475a0964a945a)
Zenith El Primero New Vintage 1969 Titanium Skeleton Chronograph – 40th Anniversary Limited Edition| Ref. 96.1969.469/77.C683 | Papers & Extra Strap
This Zenith El Primero New Vintage 1969 Titanium Skeleton Chronograph is a limited edition model released to celebrate the 40th anniversary of the legendary El Primero. The watch features a partially skeletonized dial, a lightweight titanium case, and a modern take on the original A384 case design.
- Condition: Excellent overall
- Year: 2014
- Case material: Titanium
- Diameter: 40mm
![[WTS] Zenith El Primero Limited Edition 1/10 of a Second (Striking Tenth) 03.2041.4052 $7500](https://preview.redd.it/6b5se0h1m5wf1.jpg?width=640&crop=smart&auto=webp&s=63a64445c12517929b416b4f7d87ef5b42335292)
Zenith El Primero Limited Edition 1/10 of a Second (Striking Tenth) 03.2041.4052 $7500
Limited edition Zenith El Primero watch with a custom Dangerous9 strap and original metal bracelet, comes with full set of boxes and papers.
- Condition: Excellent, due to being a safe queen
- Original owner: true
- Custom strap material: leather (brand: Dangerous9)
- Bracelet condition: near flawless
![[WTS] Zenith El Primero Chronomaster Original “1/10” Silver Dial 38mm](https://preview.redd.it/r7h3f6xmaxvf1.jpg?width=640&crop=smart&auto=webp&s=886a8e2d0a2e6bcea9da09dfd1950dc89d66cc12)
Zenith El Primero Chronomaster Original “1/10” Silver Dial 38mm
The Zenith Chronomaster Original is a reborn version of an iconic chronograph, featuring the modern El Primero 3600 movement and a 38mm steel case with exhibition case back.
- Condition: fantastic condition
- Case size: 38mm
- Material: steel

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