Hublot Big Bang Original Steel vs Zenith Chronomaster Open Heart

In-Depth Comparison

The Hublot Big Bang Original Steel and the Zenith Chronomaster Open Heart represent two compelling options in the luxury watch market. Both timepieces have earned devoted followings among collectors and enthusiasts, but they approach horology from distinctly different perspectives. Let's break down how these two watches compare across the key dimensions that matter most to buyers.

Heritage And Brand Prestige

Hublot and Zenith are both highly respected names in watchmaking. Both watches hail from Switzerland, benefiting from the region's deep horological tradition. This particular Big Bang reference was introduced in 2005, while this Chronomaster reference debuted in 2022. The Zenith Chronomaster Open Heart is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Hublot Big Bang Original Steel beats the HUB4100 caliber offering a 42-hour power reserve running at 28,800 vph with 25 jewels. The Zenith Chronomaster Open Heart is powered by the El Primero 3604 with a 60-hour power reserve operating at 36,000 vph featuring 33 jewels. The Zenith Chronomaster Open Heart wins on power reserve with a 18-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Hublot Big Bang Original Steel features a 44.0mm case at 14.7mm thick with a 51.0mm lug-to-lug measurement, crafted in Stainless Steel. The Zenith Chronomaster Open Heart comes in at 39.5mm and 13.3mm thick with 47.0mm lug-to-lug, constructed from Stainless Steel. The Zenith Chronomaster Open Heart wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 142g, the Zenith Chronomaster Open Heart is the lighter of the two.

Materials And Construction

The Hublot Big Bang Original Steel uses a Sapphire crystal paired with a Fixed, 6 H-shaped titanium screws bezel, while the Zenith Chronomaster Open Heart features Sapphire with anti-reflective coating crystal with a Fixed, polished bezel. On the wrist, the Hublot Big Bang Original Steel comes on a Black rubber strap with deployant buckle with Deployant buckle, while the Zenith Chronomaster Open Heart is fitted with Stainless steel bracelet featuring Folding clasp with double push-button.

Water Resistance And Capability

The Hublot Big Bang Original Steel is rated to 100m / 328ft and the Zenith Chronomaster Open Heart to 50m / 164ft. For serious diving or water activities, the Hublot Big Bang Original Steel offers a meaningful advantage.

Pricing And Value

At retail, the Hublot Big Bang Original Steel lists for $12,900 compared to $10,200 for the Zenith Chronomaster Open Heart. The Zenith Chronomaster Open Heart is the more accessible option at MSRP, saving $2,700 at retail. On the secondary market, the Hublot Big Bang Original Steel trades around $9,500 while the Zenith Chronomaster Open Heart commands approximately $7,400.

The Verdict

Choosing between the Hublot Big Bang Original Steel and the Zenith Chronomaster Open Heart ultimately comes down to personal priorities. For value-conscious buyers, the Zenith Chronomaster Open Heart delivers excellent quality at a lower price point. for dress occasions and smaller wrists, the Zenith Chronomaster Open Heart is more versatile. Both watches are exceptional timepieces that will serve their owner well for generations. We recommend trying both on the wrist at an authorized dealer before making your final decision, as comfort and emotional connection are ultimately just as important as specifications.