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Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →The Patek Philippe Calatrava Weekly Calendar, reference 5212A-001, pairs a 40 mm stainless-steel case with an unusual calendar display: it shows the day, date, and number of the current week. Its handwritten-style dial helps make that extra calendar information part of the watch’s defining look. This is a specifications and price guide, not a hands-on review; the available sources do not document personal testing or ownership.
What the 5212A-001 displays
The calendar adds a week number to the familiar day-and-date combination. Hands indicate the day of the week and week number, with the corresponding month shown alongside the week number; the date appears in an aperture. Center hours and minutes and a sweep seconds hand complete the time display. Patek Philippe’s product page and its 2019 Baselworld press release describe the weekly-calendar indication.
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A handwritten-style dial
Patek Philippe says the dial’s specially created transfer-printing typography for the date, day, month, and week number takes its cues from handwritten notes in paper diaries. The silvery opaline dial gives those indications a distinctive setting. The handwritten look is a deliberate design feature, not a claim that the markings are handwritten onto each dial.
5212A-001 specifications
| Specification | Detail |
|---|---|
| Reference and name | 5212A-001, Calatrava Weekly Calendar |
| Case material | Stainless steel |
| Case diameter | 40 mm |
| Case thickness | 10.79 mm |
| Water resistance | 30 m |
| Case back | Sapphire crystal |
| Dial | Silvery opaline |
| Strap and buckle | Hand-stitched light-brown calfskin strap; steel pin buckle |
| Movement | Self-winding caliber 26-330 S C J SE |
| Movement parts and jewels | 304 parts; 50 jewels |
| Frequency | 28,800 semi-oscillations per hour (4 Hz) |
| Stated power reserve | 35–45 hours |
The dimensions, construction, and movement figures are stated by Patek Philippe on its official product page and in its 2019 technical data. Water resistance is a specification, not evidence of a real-world water test.
#1 Best Overall
- Cambered sapphire, glareproofed both sides
- Signature 'Rouleaux” bracelet
- Power reserve approx. 70 hrs
- Watch movement type: Breitling 01 (Manufacture) automatic-self-wind
- Band color: silver and gold
Movement and setting controls
The automatic caliber 26-330 S C J SE powers the time and calendar functions. Patek Philippe’s 2019 technical material describes the crown positions and separate correctors as follows:
- Crown pushed home: wind the movement manually.
- Crown pulled halfway: correct the date.
- Crown pulled all the way: set the hands; the stop-seconds function halts the seconds hand while setting.
- Corrector at 8 o’clock: adjust the day of the week.
- Corrector at 10 o’clock: adjust the week number.
These setting instructions come from Patek Philippe’s technical data for reference 5212A-001. Follow the manufacturer’s guidance for operating the calendar; the source describes the controls but does not specify additional precautions or service intervals.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Price: read it by market
Patek Philippe’s US-facing product page displays $43,136. That is the amount shown on the page accessed on October 8, 2026—not a universally applicable price or a verified transaction amount. See Patek Philippe’s 5212A-001 page.
The Hour Glass Singapore lists SGD 61,700 as a suggested retail price inclusive of taxes and says such prices may change. It is a separate market’s listing and should not be treated as equivalent to the US page display or converted without a dated exchange rate. The retailer page does not establish current stock. View The Hour Glass listing.
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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsNeither cited page establishes a current transaction price, and the available information does not verify inventory or an Amazon listing. For a purchase enquiry, confirm the reference, market-specific pricing, taxes, and availability directly with an authorized seller.
What the specifications do—and do not—establish
Patek Philippe describes the steel Calatrava-style case as a rare feature for one of its complications. Its Complications collection includes simple and weekly calendars as well as annual calendars, but the broader category alone does not establish that another model is an equivalent alternative.
The published figures document the watch’s stated dimensions and movement specifications; they do not establish measured timekeeping accuracy, wearing comfort, or performance in water. No independent timing or wear results are available here, so those qualities cannot be assessed from the specification sheet alone.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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