Original replacement watch case-back for TAG Heuer Monza Calibre 17 watches.
Ca. 37 mm x 37 mm.
Marked with the TAG Heuer logo, MONZA | SWISS MADE SINCE 1860 | SAPPHIRE CRYSTAL.
Very good condition, never used.
This is an original “pre-service” case-back, which means it has no model number or serial number engraved.
The article is for sale “as is” – any other parts that are not mentioned in the description, or not showing in the photos, are not included with this item.
All the watch parts or watch accessories in our offers are genuine parts shipped directly from Switzerland..
Component · Watch cases
Across the five-grade scale, here is what each grade means specifically for watch cases. The cell highlighted in brass marks where this specimen sits.
MintA++Unpolished, sharp edges, original finishing, no dings or wear marks.
ExcellentALight hairlines, unpolished or light professional polish, case shape crisp.
GoodBModerate wear, minor dings, polished previously but thickness remains.
FairCVisible dents, over-polished, light pitting, possible aftermarket parts.
PoorDHeavy corrosion, deep pitting, stripped threads, bent or missing parts.
Grade applied by the bench · against a written standard.View full scale →
No. 03 / On record
ReferenceTHMC17CBchronoshop SKU
Catalogued13 July 2025Photographed · graded · published
Last revised30 April 2026Description or pricing updated
