Image of Rolex Day-Date 40 m228396tbr-0024

Rolex
Day-Date 40
m228396tbr-0024

On this page you can read about Rolex model Day-Date 40 m228396tbr-0024. All the technical specifications like case material, case diameter and calibre attributes like movement type, power reserve etc. are listed here in an easy to understand tabular format. There are also images of Day-Date 40 m228396tbr-0024. At the bottom of the page you can find similar watches from Rolex.

Important facts

The Rolex Day-Date 40 m228396tbr-0024 has a screw-down crown which ensures a much better water resistance by providing a tighter seal between the crown and the case. This keeps moisture or dust from entering the watch case, which could otherwise cause damage to the movement. This also helps to prevent accidental adjustment of the time or date. The screw-down feature makes it more difficult for the crown to be accidentally turned, reducing the risk of incorrect timekeeping. Also, it is a reassuring feel to tighten the crown by screwing it down.

This watch has an automatic mechanical movement, which stores power in a mainspring, that is wound by an oscillating rotor while the watch is being worn. A mechanical watch movement is less accurate than a quartz one and requires regular servicing. It does not need a battery though and has a smoother sweeping seconds hand.

This timepiece has a sapphire crystal which provides a durable and clear viewing surface for the dial. This type of crystal is highly resistant to scratches and does not discolor over time. Sapphire is also resistant to most chemicals and less likely to shatter compared to other materials, making it a safer choice for the watch wearer. Thefore sapphire is a good choice for high-end wristwatches. It is of course an expensive option, compared to other materials, like plexiglass.

The Day-Date 40 reference m228396tbr-0024 is a chronometer, certified by COSC, the Official Swiss Chronometer Testing Institute. The testing involves a series of measurements over a period of 15 days in different positions and temperatures to ensure the watch's accuracy.

Technical specifications

anti magnetic hairspring
bracelet material platinum
bracelet style president
case back locking screw down
case diameter 40
case material platinum
clasp type folding
date magnifier Check
dial color black
front crystal material sapphire
gemset bezel diamonds
manufacturer case name oyster
manufacturer cert rolex
paved case diamonds
screw down crown Check
water resistance meter 100

Calibre specifications

anti shock balance wheel
bidirectional winding Check
calibre in house Check
calibre no 3255
calibre precision minus 2
calibre precision plus 2
calibre type mechanical
center seconds Check
chronometer cosc
hackable Check
instant date change Check
instant day change Check
power reserve 70h
quick set date Check
quick set day Check
winding mechanism automatic

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