Chronomaster Open 39.5mm
03.3300.3604/69.M3300
How it wears
Wears true to its 39.5 mm case size
Zenith Chronomaster Open 39.5mm measures 45.2 mm lug-to-lug on a 39.5 mm case, a lug-to-lug ratio of 1.14 against a database median of 1.18. That span is shorter than 69% of the 7,421 watches in this database and shorter than 90% of the 59 Zenith watches listed.
A flat wrist width of 51 mm (2.01 in) or more keeps it in the balanced range, and from 61 mm (2.40 in) it starts to look compact. Below 45.2 mm (1.78 in) the lugs are likely to overhang the wrist. Flat wrist width is measured straight across the top of the wrist, not around it.
At 13.1 mm thick it sits within the typical range, thicker than 66% of the watches with a listed thickness.
Wrist fit analyzer
Fit reference
Sits comfortably within the wrist width for most wearers.
Sources
- https://www.hodinkee.com/articles/zenith-chronomaster-open-el-primero-caliber-3600-2022
Hodinkee reports 45.2mm lug-to-lug, 39.5mm case size/width, 13.1mm thickness for Zenith Chronomaster Open in “Introducing: Zenith Updates The Chronomaster Open With El Primero Caliber 3600.”
- https://www.hodinkee.com/articles/zenith-chronomaster-open-2022
Hodinkee reports 45.2mm lug-to-lug, 39.5mm case size/width, 13.1mm thickness for Zenith Chronomaster Open in “Hands-On: Zenith Embraces An Early-Aughts Favorite In The New Chronomaster Open.”
- https://monochrome-watches.com/zenith-chronomaster-open-boutique-edition-blue-dial-introducing-specs-price/
MONOCHROME reports 45mm lug-to-lug, 39.5mm case size/width for Zenith Chronomaster Open in “The Zenith Chronomaster Open, Now In Blue Boutique Edition.”
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