Zenith Chronomaster Original

Most Zenith Chronomaster Original references take a 20 mm watch strap: 21 of 26.

Shop 19 mm Shop 20 mm

Zenith Chronomaster Original lug width by case size

26 references measured. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
38 mm	20 mm · 19 mm on 5	26	—	03.3200.3600/21.M3200, 03.3200.3600/22.C908, 03.3200.3600/22.M3200

References that take a different watch strap

03.3200.3600/21.C903: 19 mm, not the 20 mm of most 38 mm cases
03.3200.3600/51.M3200: 19 mm, not the 20 mm of most 38 mm cases
03.3200.3600/69.C902: 19 mm, not the 20 mm of most 38 mm cases
03.3200.3600/69.M3200: 19 mm, not the 20 mm of most 38 mm cases
03.3400.3610/39.M3200: 19 mm, not the 20 mm of most 38 mm cases

Questions about the Zenith Chronomaster Original

Can two Zenith Chronomaster Original watches with a 38 mm case take different watch straps?

Yes. Of the 26 Zenith Chronomaster Original references with a 38 mm case, 21 take 20 mm and 5 take 19 mm. The reference number decides, not the case size alone.

Every Zenith Chronomaster Original reference

Other Zenith families

Inside each one the lug width often changes: it is the reference that decides.

All Zenith families → · Why the size changes inside a family →