The "Doctor" is Always In!

Mark Sirianni Watch Repair Price List

  I have been a watchmaker for the past 45 years. I provide top quality watch repair at a very reasonable price with a quick turnaround time. Rolex watches are my specialty. I am very experienced with vintage mechanical watches and evaluating those watches that can be affordably repaired. I am always available by telephone or email to answer questions about your next watch repair project. My son Tom joined.. Read More

What is a Tactical Watch?

Traditionally tactical products are designed for use in a non-standard military or police environments. They are robust, water resistant and master the difficult technical characteristics of being subtle and non-reflective yet highly legible Tactical watches are built with strong materials and can often withstand great depth ratings when underwater. Some tactical watches are designed to do much more than just tell time and include extra functionality.  What makes a tactical.. Read More

History of the Omega Constellation

The Omega Constellation watch was once the flagship in the Omega collection. This particular family within their collection dates back to 1952. The first Omega Constellation models had bumper movements and distinctive diamond-shaped hour markers. The Dauphin’s hands were used till the late 1960s. After a few years, around 1955, the Omega caliber 354 bumper movement with chronometer rating was replaced by the caliber 50x series. This movement had a.. Read More

What is a Panda Watch Dial?

A panda dial is distinct for its black-on-white dial appearance, which often features a white or silver dial with two or three black subdials. The idea is that it resembles a panda’s face. A “reverse panda,” has a black main dial and white subdials. The 1957 Breitling Superocean Chronograph is often regarded as the earliest panda dial. 1957 Breitling Super Ocean, the first Panda Dial The most famous Panda dial watch is the.. Read More

What is a Cannon Pinion?

One of the most important parts of any mechanical watch is a Cannon Pinion. The cannon pinion is the heart of the motion works. This piece is what translates the movement of the train wheels into the timekeeping display on the dial side.  It is attached to the center wheel by friction fit and it is the post that the minute hand is set on. How to remove Cannon Pinion for service.. Read More

What is a Rattrapante?

If you want a watch that also can double as a stopwatch, purchasing a chronograph should be first on your to-do list. But what about two stopwatches? That’s where the rattrapante, or split seconds, chronograph comes into play. Deriving roughly from the French word for catch-up, (pronounced ratt-ra-pont) a rattrapante does just that — the watch features two stopwatches. That can come in handy if you’re trying to time multiple runners.. Read More

What is Rolesor?

What’s in a name? For the Rolesor, it’s not much more than just putting two and two together. Rolex’s Rolesor model is a two-toned watch made with half gold and half steel. So where does the name come into play? Rolex is of course the famous watch company, while “-or” is the French word for gold. It all makes sense, right? From its website, Rolex touts its Rolesor line like.. Read More

Tudor watches that are similar to Rolex

Hans Wilsdorf established Rolex in 1905. When he founded Tudor just over 40 years later in 1946, fans immediately put the two brands in competition. Rolex always seemed to trump Tudor in the eyes of the watch world. In more recent years, Tudor has started to receive the recognition it has long deserved. Still, watch lovers, can’t help but continue to measure the brands head to head.  In this post, we.. Read More

What is a split stem?

Have you ever seen a watch without a removable case back and wondered how you get the movement out? In this post, I will show how to remove a two-piece split stem from a watch. Have you ever seen a watch without a removable case back and wondered how you get the movement out? In this post, I will show how to remove a two-piece split stem from a watch… Read More

What is a Perpetual Calendar?

A timepiece that also tells you the date is, of course, nothing new. However, the simplest form of calendar watch has to be manually adjusted five times a year because of the varying lengths of the months in the calendar. So, at the end of every month with fewer than 31 days, the wearer will be called on to advance the date by hand to keep it correct. The perpetual.. Read More