The squat type refers to the design of the integrated molded case, precession-type bottom cover and precession-type handle that Rolex invented, namely Oyster, which means “oyster, raw oyster”. The squat type is different from the welding type at that time. Lugs, push-in bottom covers and plug-in handles. To put it simply, the overall use of steel cutting car watch case ear integration. Compared with the welding lugs popular at the time, the lock bottom locks, the back cover and the crown are all silk thread locks, tight seams, and very good waterproof.
The small diameter of 31 mm diameter, round arched bezel design, beautiful small, easy to manage. Concise junior needle design, sapphire crystal glass mirror, read at a glance. The Oyster case is an important foundation for Rolex’s prestigious reputation and superior performance. The material is 904L stainless steel. 904L stainless steel has high corrosion resistance and is widely used in high-tech, aviation and chemical industries.
Rolex Oyster Perpetual Series 177200 Silver Dial Watch
Double-wrap locking chain crown design is simple and practical, double locking device can ensure that the screw-in crown is completely waterproof, depth of up to 100 meters, and angular, clear, Rolex Oyster Perpetual Series constant action table engraved with the Rolex logo. Due to the small diameter, the crown looks large. The watchband is made of a sleek strap, which consists of three rows of large, flat links. It is extremely strong and has been the most widely used watchband in the enamel range. The material is 904L stainless steel.
From the perspective of the absence of crown, the Rolex cymbal perpetual motion is smaller due to the smaller caliber. This wristwatch is relatively heavy, but it does not affect the wear. It is still comfortable and casual. The clasp is buckled and concealed by a buckle, which is opened and closed by an operation clasp, making the operation easier and safer to wear. The buckle has a Rolex crown logo. The buccal ear is very short, and the chain strap is better matched. The lug is basically flush with the first section of the watch chain, more like a part of the bracelet, and is very flexible to wear.
The white dial of the Rolex Oyster Perpetual Timepiece is uniquely designed with large Arabic numerals at 3 and 9 o’clock. It is worth mentioning that the Arabic numerals at 6 o’clock and the crown at 12 o’clock use the Rolex inlay. technology. Rolex dial logo production process there are two main, respectively, transfer and mosaic, all inlaid Logo volume will be slightly larger, that is, we often mentioned the “big crown”, looks full of three-dimensional, very imposing. Other hour and minute positions are replaced with scales, and the outer ring has 6 ring patterns.
The bottom lid of this Rolex Oyster Perpetual Timepiece is equipped with a screw-in bottom lid and is equipped with a self-developed 2231 self-winding movement. Like all Rolex constant-force cores, the 2231 calibre is also available. The official Swiss accreditation recognized the timepiece certification. This self-winding movement is equipped with a semi-automatic crescent, automatic energy generation, and stored in the mainspring, providing 50 hours of power storage.