Updated: Jan 28

SHORT BRAND HISTORY. IWC is one of the oldest watch company with aviation and military heritage, which obviously drive people crazy about it, even there is a real chase for it. Starting in 1868, a qualified Swiss watchmakers named Florentine Ariosto Jones, who was American, founded International Watch Company in Schaffhausen, which in short is what we refer as IWC nowadays.

International Watch Co. Headquarters. Photo: Google.

Among all watch productions, IWC is certainly one of the most earth-concious company, by uses only 100% renewable energy since the start, recycles waste heat and rainwater. Hat down for starting it early even before Greenhouse effect is booming.

First things first, Pilot watch, as it is labelled, from IWC engineered for aviators.

I always wonder why this particular model of Big Pilot series called Transitional Dial? It is the old movement, encased in a new diameter of 46mm, with first ever Probus Scafusia onion-like shape crown. Having said that, this IWC 5002 is indeed the 1st generation of Big Pilot, while adopted the vintage yet modernized military look. This IWC model has B-Uhren inspired models (photos: B-uhren models), 1940’s pilot watch model, judging from the slightly thick but still comfortable to the wearer, housed Anti Magnetic Shielding.

Onion shaped crown that is ergonomically comfortable for wearer to adjust time and date without needing to ‘dig’ it, and scratch the case with your nails, well thought of indeed.

Black charcoal-like surface dial make it easier to read the time and date in almost all kind of situation, day or night.

The signature Triangle logo.

Calibre 5011 Movement.

For sure you would like to know whether this watch is Collectable? I can surely says that this watch is extremely collectable, due to its low production number, short production year, military elegancy look, while embracing the historical movement in a modern case.

Watch Description:

Case | Stainless Steel, Brushed Finish

Movement | Calibre 5011, 18.800VPH Pocket Watch Movement

Power Reserve | 7 Day / 168H Accuracy

Water Resistant | 60M

Glass | Sapphire

Strap | Brown Leather Strap

Diameters | 46.2 MM

Thickness | 15 MM

Lug width | 22 MM

Year Of Production | 2002

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Before we make this blog, we ran through our customers’ feedbacks and also the top-asked questions by our customers. Going through a Covid-19 Work-From-Home situation, we knew that most of our customers are staying at home, and therefore we feel that now is the perfect time to make a blog.

I believe that it can be a lot of fun to play with our watch while we stay at home.

Lets discuss the Rolex GMT-MASTER watch. Many of our customers own few different pieces of Rolex GMT-MASTER watches. One of our customers has a beautiful collection of GMT-MASTER watches, from the historical GMT-MASTER watch with Acrylic crystal to the latest GMT-MASTER II watch with Cerachrom bezel. One of the top-asked questions by our customers is: “how to set my GMT-MASTER watch?”

To set our GMT-MASTER watch, the key is to see if the watch we are setting is GMT-MASTER or GMT-MASTER II watch. Then setting the watch will be pretty straight-forward.

Some of us have both the GMT-MASTER & GMT-MASTER II watch, so sometimes we get a bit confused when we set the watch. Moreover in 1989, Rolex has released the respective two models at the same time. One is a GMT-MASTER II watch with reference number 16710, and the other is a GMT-MASTER watch with reference number 16700.

They are very similar watches.

The quickest way to differentiate is to take a close look at the dial of the Rolex GMT-MASTER watch. If we see the writing “GMT-MASTER II”, then we are setting the watch with the newer movement, and the writing “GMT-MASTER” indicates an older movement.

It is to be noted that in 1989, both of this movements are made available to watch buyers. During this time, the GMT-MASTER watch (16700) is offered as a more cost-effective watch. The GMT-MASTER II watch utilize a more modern movement, with independent hour hand, whose concept is still being used until today.

When setting a GMT-MASTER watch, we set the hour hand together with the 24-Hour GMT hand. In this video, our GMT hand will denote our home time, and the hour hand shall denote the current time wherever we are.

In the case of Rolex GMT-MASTER 16700, We will first unscrew the crown, and pull the crown to the first position to set the date.

To set the hours and minutes, we pull the crown to the second position, which is the maximum position the crown can be pulled. And then we turn the crown clockwise direction to move forward the GMT hand, the hour hand and the minute hand. Both the GMT and hour hands should move at the same rate when we turn the crown. Two full rotations of the hour hand is equal to one rotation of the GMT hand.

After we finish, the bezel can then be turned to denote the home time.

In this case, we set the date to the 8th and both the GMT (home) time to 8:20 pm and current time to 8:20 pm.

When setting a GMT-MASTER II watch referenced 16710, we pull the crown to the first position to set the independent hour hand to set the date. The hour hand moves two full rotations to increment the date.

To set the GMT hand and minute hand, we need to pull the crown to the outmost position, or the second position. All three hands will move at the same time, but we will focus on the GMT hand and the minute hand.

And finally we move the crown back to its first position to set the hour hand against the current time.

GMT-MASTER II Third time

The Rolex GMT-MASTER II can denote a third time zone.

Although it can be used to display a third time zone, only two different times can be read at one moment.

If we want to read the time, which is two hour ahead of our home time, we could rotate the bidirectional bezel two hours ahead and the time that we want to read will be indicated by the numeral on the bezel that the GMT hand points to.

For example, if a person who lives in Jakarta is currently in Makassar visiting his family, he can read the current time in Makassar on the dial as normal (from the hour and minute hands), while the GMT hand shows him the time back home in Jakarta against the 24-hour scale on the bezel.

If he wants to read the time in Jayapura, which is two hour ahead of his home time in Jakarta, he could rotate the bidirectional bezel two hours ahead and the time in Jayapura will be indicated by the numeral that the GMT hand points to on the bezel.

Take note that since the bezel has been rotated, the GMT hand no longer displays the Home time that it shows previously. So while the watch cannot show all three times at once, it is a rather quick and easy task to switch it to reference a third time.

The new improvement to the Cerachrom bezel is the ability for it to move in one hour increment, and thus is easier to turn it with precise. It helps us to quickly and accurately read the third time.


It seemed most effective if you set the GMT hand to be your home time. And when you travel, you can set the hour hand to be the current location time. The reason is that when the hour hand is set, it moves one hour ahead or behind, so we would not mess up the minute. In addition to that, the second hand will also continue running, therefore we will not mess up the time.

It is however totally up to you, because this boils down to personal preference. You should wear your watch however you like it.

In this episode of HOW-TO #1 we will be showing you how to set time and date for Rolex Daydate II collection with model number 118239 in 41mm diameter.

1. Day and Date.

Unscrew the crown by turning it in anti-clockwise direction such as above.

Once crown is unscrewed, pull the crown into the first notch to set the day, and the date.

To set the day, turn crown in anti-clockwise direction, while to set the day, is the other way round, clockwise direction. Confused? We’ll show you more clearly below:

2. Time.

To set the time, pull the crown to the second notch while paying attention to second hand is stopping. Wind the crown in clockwise to move time forward, and other way to move time backwards, as shown below.

3. Closing and ready to wear.

With all the time, day and date set to your designated time, push the crown back in, and screw the crown in and make sure that you screwing it tightly to prevent any moisture or dust from going into the internal movement.


Wind the time pass 24hr to know if you set the time in day or night.

DO NOT set your date when the time is showing 10-2, move the time if its needed to set the date.

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