Lưu trữ tác giả: PhilipBuirl

“The Neuchatel Project” – A Guide to the Beta 21, the First Swiss Quartz Watches

Quartz is cheap and basic? How come in 1970 a Quartz watch could easily cost [...]

Bring the H.E.A.T. – Are You A Horological Historian, Expert, Analyst or Technician?

How much H.E.A.T. do you bring? H.E.A.T. stands for Historian, Expert, Analyst and Technician and [...]

Mystery Steel Cases – How to Know Who Made It?

Who actually makes all these watch cases? Today it’s the manufacturing brand but over most [...]

What Are They Made Of? – A Historic Guide to Watch Case Materials

Who actually makes all these watch cases? Today it’s the manufacturing brand but over most [...]

More Than A Typo – The Curious Case of The Universal Geneve “Contax”

  February 21, 2025     Marcus Siems @siemswatches     Collector, Author, Data Analyst   [...]

Decades of Technical Evolution – Henri Gerber & His Opus at Omega (1928-60s)

February 26, 2025     Marcus Siems @siemswatches     Collector, Author, Data Analyst     [...]

A Watch Dealer’s Diary Part II – How Many Watches are Sold at Goldammer?

Apr 10, 2025     Marcus Siems @siemswatches     Collector, Author, Data Analyst It is [...]

A Minimal Change for Maximal Speed – A Unique Universal Geneve Compax

May 12, 2025     Marcus Siems @siemswatches     Collector, Author, Data Analyst     [...]

Piaget Polo 7273 Onyx 18k 1980s

This Piaget Polo Reference 7273 is crafted from 18k white gold, this watch features a [...]