Zenith Chronomaster Sport Chronomaster Sport Stainless Steel / Black / Rubber

Reference 03.3100.3600/21.R951

About this watch

The Zenith Chronomaster Sport 03.3100.3600/21.R951 is a masterpiece of horology, blending history and modernity in perfect harmony. This 41mm round case timepiece boasts a bold and sporty design, featuring a stainless steel and black ceramic combination that exudes elegance while providing a robust feel. The stunning white dial with stick and dot indexes ensures easy readability, complemented by the central chronograph hand that completes a full rotation in just 10 seconds, showcasing the precision of the El Primero movement. At its core lies the El Primero 3600 automatic movement, a marvel of engineering with a frequency of 36,000 vibrations per hour, allowing for exceptional accuracy and measuring time to the 1/10th of a second. The chronograph function is thoughtfully designed with a column wheel mechanism, ensuring smooth operation and reliability. With a water resistance of 100 meters and a rubber strap that's both soft and flexible, this watch can handle any adventure you throw at it. Whether you're swimming, snorkeling, or just caught in a rain shower, the Zenith Chronomaster Sport stands up to the challenge. It's a piece of history that you can wear, making it a worthy addition to any watch collection.
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Key Features

  • 41mm round case with stainless steel and black ceramic combination
  • El Primero 3600 automatic movement with 36,000 vibrations per hour
  • Central chronograph hand completing a full rotation in just 10 seconds
  • Water resistance of 100 meters
  • Rubber strap with soft and flexible design
  • Sapphire glass for scratch resistance
  • Column wheel mechanism for smooth chronograph operation

Specifications

Brand
Zenith
Family
Chronomaster Sport
Model
Chronomaster Sport Stainless Steel / Black / Rubber
Reference
03.3100.3600/21.R951
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
41mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Zenith Chronomaster Sport Green

Zenith Chronomaster Sport Green

The Chronomaster Sport features a green color, El Primero movement allowing for chrono function accuracy to 1/10 of a second, and a see-through case back showcasing the brilliant movement.

  • Condition: Excellent condition
  • Case back material: see thru case back
  • Movement type: El Primero
Posted at
Apr 30, 2026, 2:17 PM
Active
[WTS][US] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set

[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
Posted at
Apr 30, 2026, 8:10 AM
Active
[WTS] Zenith Chronomaster Sport “White Dial” 03.3100.3600/69.M3100

Zenith Chronomaster Sport “White Dial” 03.3100.3600/69.M3100

The Zenith Chronomaster Sport is a modern chronograph featuring Zenith's high-frequency El Primero movement and a clean white dial with tricolor subdials. It is one of the brand’s most popular current models.

  • Condition: great condition with little to no signs of wear
  • Box: double box
  • Links: full set of links
  • Warranty: dated 02/2024
Posted at
Apr 28, 2026, 4:43 PM
Active
[WTS][US] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set

[US] Zenith El Primero Chronomaster Sport - White Dial - 41mm - 03.3100.3600/69.M3100 - Full Set

Up for sale is a Zenith El Primero Chronomaster Sport - White Dial - 41mm - Full Set Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic condition with few hairlines
  • Case Size: 41mm
Posted at
Apr 24, 2026, 8:41 AM
Active
[WTS] Zenith El Primero Titanium Chronomaster Sport FULL SET Ref 95.3100.3600/39.M3100

Zenith El Primero Titanium Chronomaster Sport FULL SET Ref 95.3100.3600/39.M3100

The Zenith El Primero Chronomaster Sport is a titanium version of the iconic chronograph movement in a modern automatic calibre 3600. It features a gray dial, tri-colored chrono sub-dials, and a sapphire case allowing for viewing of the rotor.

  • Condition: Excellent, some light wear on titanium bezel and case sides
  • Movement: El Primero cal 3600 automatic
  • Case size: 41mm diameter
  • Bracelet length: 7.25 inches, adjustable with two additional links
Posted at
Apr 19, 2026, 8:42 PM
Active
Zenith Chronomaster Sport - Aaron Rodgers - 03.3117.3600/56.M3100 ( new )

Zenith Chronomaster Sport - Aaron Rodgers - 03.3117.3600/56.M3100 ( new )

A brand new Zenith Chronomaster Sport Aaron Rodgers Boutique Edition with a 41mm green dial, limited to one of 250 pieces.

  • Condition: Brand new
  • Case Material: Stainless steel
  • Movement: El Primero
Posted at
Mar 6, 2025, 3:43 PM
Active
Zenith Chronomaster Sport - White Dial - 03.3100.3600/69.M3100 ( excellent )

Zenith Chronomaster Sport - White Dial - 03.3100.3600/69.M3100 ( excellent )

Up for sale is an excellent condition Zenith Chronomaster Sport White Dial, reference # 03.3100.3600/69.M3100 It comes complete with all boxes, papers, booklets, hang tag and Zenith Warranty Card dated December 2022.

  • Condition: Excellent
  • Case size: 41mm
  • Material: Stainless Steel
  • Movement: El Primero
Posted at
Mar 5, 2025, 3:50 PM
Active
ZENITH CHRONOMASTER SPORT El PRIMERO YOSHIDA GREEN DIAL LIMITED EDITION 2024

ZENITH CHRONOMASTER SPORT El PRIMERO YOSHIDA GREEN DIAL LIMITED EDITION 2024

The Zenith Chronomaster Sport Yoshida 'Hulk Edition' features a stainless steel case with a green ceramic bezel and dial, powered by the El Primero Caliber 3600.

  • Condition: Mint, Unpolished Condition
  • Limited edition: 1 of 244 pieces
  • Case material: stainless steel
  • Bracelet material: stainless steel
Posted at
Feb 25, 2025, 11:17 PM
Active