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Jacob & Co

Jacob & Co Brilliant Baguette Emeralds White Gold on Strap BA521-30-BZ-BZ-A

The Jacob & Co Brilliant Baguette Emeralds White Gold on Strap (reference BA521-30-BZ-BZ-A) is a 44 mm watch.

Specifications

Case

Reference
BA521-30-BZ-BZ-A
Collection
Brilliant
Case size
44 mm

Dial versions

This reference was made with these dials and finishes.

  • BA521-30-BZ-BZ-A

How it compares within the Brilliant family

Side by side with other references in the same collection, from the catalog.

ReferenceSizeMaterialDialCaliberYears
BA521-30-BZ-BZ-A (This watch)44 mm————
BA534-40-HR-HR-B44 mmGold & Sapphires———
BM526-30-BD-BE-A38 mmGold & Diamonds———
BT543-30-CB-CB-B47 mmGoldBlue——
BT543-30-CP-CP-B47 mmGoldPink——
BT546-30-AA-AA-A47 mmGold———
BT546-30-AD-UA-A47 mmGoldOrange——
BT546-40-BO-BO-A47 mmGoldOrange——
BT546-40-BR-BR-A47 mmGold———

About the Brilliant family

Brilliant is Jacob & Co.'s line of gem-set watches, combining jewellery design with mechanical movements, including tourbillons and skeleton models. Cases, bezels and dials are covered with diamonds or coloured stones such as rubies and sapphires.

The catalog lists many gold references that differ mostly in the type and colour of stones. Match the reference to the gem setting precisely, check that all stones are present and original, and ask for the certificates that come with the watch.

Quick answers

What size is the Jacob & Co Brilliant Baguette Emeralds White Gold on Strap BA521-30-BZ-BZ-A?
The Jacob & Co Brilliant Baguette Emeralds White Gold on Strap BA521-30-BZ-BZ-A has a 44 mm case.

Catalog facts checked October 2026.