Citizen Auto Dater Seven para40mwater day-date


A special place among my favorite Citizen movements is reserved for the Jet ones. And this one has the last of the Jets Citizen ever made. My watch was made in September 1966 and Citizen produced these movements up to about 1967. The last JET is the day-date Auto Dater Seven.

citizen auto dater para water

As you can see, it is in perfect, NOS condition, with price tag and booklet. The writing on the paper is in Japanese only. The day wheel is written in Japanese so, it is safe to conclude that, the watch was intended for JDM (Japan domestic market). The entire case as well as the bracelet, are made of beautifully finished stainless steel. The crystal is acrylic. and has a date magnifier.

The style of the watch is elegant, with a fluted bezel, simple silver dial with a sunburst effect. There is no luminous material on the dial or hands. The frontal part of the case is brushed, and all the rest is polished. The bracelet is also finished with a nice combination of polished and brushed surfaces.  As I mentioned before, it is a day-date. That means that in addition to showing the date (at 3 o’clock), it also displays the day of the week (at 12). The day is in Japanese only, printed in black with red for Sundays. All the hour markers, the day and date frame and the Seven logo are applied.

The crown is used for winding the watch (although it is an automatic it can be winded by hand) and setting the time in the first position. The day changes by advancing the hands passing midnight. The date changes by pulling the crown. One pull of the crown will advance the day of the week one time. The crown get back to first position by it’s own due to a spring. Pulling it again, will change the day one more time. This system was named by Citizen “Easy Change”. What can I say, it is easy indeed.

The movement, is the last Jet, calibre 4102. It has 25 Jewels and beats at 18,800 bph. Beautiful!

Read more about watches powered by Jet movements HERE.

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Citizen Crystal 7 – 33 jewels


Among the interesting vintage Citizen, this one has it’s special place.

It is the para water Crystal 7 with 33 jewels and a uni body case.

citizen crystal 7 33The watch is the perfect size for a dress one, not too small, not too large just as it should be even by today standards, at 37mm diameter. The case is elegant, entirely polished, made in one piece of stainless steel. That means that the case back can not be removed and the movement comes out only by removing the mineral flat crystal. This is a nice feature that makes the case a little more water resistant by eliminating the risk of water entering the watch through the back. Because the case back is the same piece with the entire case it is possible to place the beautiful engraving in such amanner that it is always crown side up. This is a nice bonus to the overall look of the watch. The engraving shows the water resistance by “para water” marking and the uni case body is marked by a small “x” inside a small circle. The model is ACSS 51401-Y and was made in April 1966.

The dial is silver, with a sun burst effect and a lot of applied markers. The hour markers are applied, the day and date frames are applied, the Citizen logo, the 7 logo and 33 marking are also applied. The “Crystal” writing is in black and so are the minute markers. The hour markers have a longitudinal black line just as the hour and minute hands. The overall look of the face is beautiful, silver with black, elegant accents. The only color used is the “SUN” in Sunday on the day wheel.

citizen-crystal-7-33 copy

The movement is the automatic (hand winding is also possible) 33 jewels Citizen cal 5204 ? , beating at 18,000 bph. It is a quick set date while the day changes by advancing the hourhand past midnight. It proved to be very good at time keeping; some people even say it is very close to Chronometer grade and Citizen Chronomaster line.

The strap is a replacement black leather Citizen strap with a simple stainless steel tang buckle. I think it fits the watch and adds to the overall elegant look.

Beautiful, elegant, classy day-date vintage Citizen.

Citizen compressor diver – Seven Star 4-520017Y


Let me introduce to you a beautiful, NOS, vintage compressor style diver that has just the right amount of pure class.

A compressor case is defined by the fact that the rotating bezel is inside the case, under the crystal and it is turned by one of the crowns, rather than directly by hand. Gary, a reader, provided a piece of information about Compressor cases that I would love to share with you:

“These are beautful watches and I enjoyed reading about them but I must correct your assumption that they are compressor watches. Its a common misconception that if a watch has two crowns and an internal bezel, it must be a supercompressor but infact Compressor and Super Compressor watches are defines by the company which made the cases and held a patent for their design. These cases were made by the specialist manufacturer Ervin Piquerez S.A. of Switzerland. No Japanese manufacturer used EPSA Compressor cases. Information about Compressor cases is not hard to find. The link below shows the three types of Compressor case, including the Super Compressor from which your Citizen watches are inspired. True Super Compressors are typically identified by a crossed hatched design on the crowns, a diver helmet logo on the case back or inside the case back, but always, they have the brevet (patent) number on or inside the case back. http://wornandwound.com/2014/03/24/guide-super-compressors/”

NOS means New Old Stock – a watch that was not worn and it is in excelent condition after all this time (45 years old).

citizen compressor diver seven star parawater

Just like the other compressor diver I have presented here : https://vintagecitizenwatches.com/2014/01/18/vintage-citizen-compressor-diver-4-520343-y/, this one is also made in 1969. By contrast, this one has a more classy, elegant appearance.

The case is large, made in polished stainless steel, with a brushed frontal surface. Looking at it from the side, the case seams slender, thick in the middle, and arching down all the way to the end of the integrated lugs. The mineral crystal is slightly domed in order to be better integrated in the overall design. The crystal is secured by a thin, polished, elegant bezel. The sides and the frontal surface are well delimitated by a carefully made polished chamfer. The twin crowns are not signed. One of then, the upper one, turns the bidirectional internal bezel and the other one is connected to the movement. The case-back displays the usual information – material, date of manufacture, model, movement, and parawater. Read about parawater here: https://vintagecitizenwatches.com/2013/12/26/citizen-parawater-citizen-parashock/

The dial is dark-deep black,  very simple but not simplistic at all. Under magnification one can see that a lot of attention was placed into details. The writing is white, also on the black date and the black day wheels. The date is on 3 o clock inside a polished frame and the day is at 9 inside an oval, carefully made window. The only tint of color is the lettering for Sunday.  The inner rotating bezel is also black with white writing. The hour markers are applied with luminous material in the center. The hands are also polished, faceted with luminous material as well.

 Citizen diver Seven Star 4-520017Y

The movement is the usual automatic Citizen calibre 5270, with 21 jewels. The calibre number is engraved, as usual, under the balance wheel.  It is winded by a black rotor that compliments the dial on the other side in a fortunate manner.  It is a common movement used in a variety of models, not only divers making it rather easy to repair with available parts. It is reliable and offers hand winding possibility. The date changes in the second position of the winding crown (first position for winding, third for time setting) but the day changes only by passing midnight with the hands. The corespondent crown for the movement is the one at 4 o ‘clock.

The bracelet is nothing less than a piece of art. I think this is my favorite Citizen design. It is made in solid steel, three thin polished connectors and  brushed large links. It doesn’t get better than this! It has a pleasant tactile feel and a nice weight. One more thing that can not be described into words is the sound of the links touching each other… pure music. The clasp is the usual type, signed Citizen.

Citizen compressor diver - Seven Star 4-520017Y

Al things considered, this is the best diver for a gentleman, ready to be worn at the beach or with a suit during a corporate meeting. Decent water resistance (nor really made for submerging, but good enough for daily jobs) and understated elegance placed together for one of the best Vintage Citizen All-rounder.

Read more about Citizen diving watches here: https://vintagecitizenwatches.com/diver-vcw/