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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteThe Jacob & Co. Oil Pump is a limited-edition mechanical watch built around an animated oil-well scene: press a case pusher and two derrick horse heads begin moving up and down. The manufacturer’s catalog lists distinct 43 mm black-titanium and 49.5 mm rose-gold versions, while a separate redesign announcement describes a 44 mm rose-gold model. Jacob & Co.’s official materials consulted do not state a current price, so buyers need a quote for the precise reference and market.
What does the Oil Pump automaton do?
The dial depicts an oil well, with derricks, pipes, a manifold and a barrel arranged behind a honeycomb grille. Activating the pusher sets the two derrick horse heads moving up and down. Jacob & Co. specifies a minimum 35-second pumping sequence for both cataloged variants. The black-titanium model’s pusher is at 1:30; the rose-gold/green model’s is at 2 o’clock. This is an on-demand display rather than a continuously running animation. Jacob & Co.’s 43 mm product page and 49.5 mm product page describe the mechanism.
The watches also show off-centered hours and minutes and a power-reserve indicator. The animated derricks are separate from the tourbillon: one dramatizes an oil pump, while the other is a rotating escapement assembly. The tourbillon configuration differs between the two catalog entries.
How do the cataloged Oil Pump models compare?
| Specification | 43 mm black titanium | 49.5 mm rose gold (green) |
|---|---|---|
| Reference | OI110.21.AA.AA.A | OI100.40.AA.AB.A |
| Case | 43 mm diameter, 18 mm height; black titanium with an 18K rose-gold caseback | 49.5 mm diameter, 20 mm height; 18K rose gold with an 18K rose-gold caseback |
| Movement | Hand-wound JCAM53; 450 components; 21,600 vph (3 Hz) | Hand-wound JCAM33; 510 components; 21,600 vph (3 Hz) |
| Tourbillon | Flying tourbillon; one rotation in 60 seconds | Double-axis tourbillon; axes rotate in 60 and 150 seconds |
| Power reserve | 72 hours, as stated by Jacob & Co. | 60 hours, as stated by Jacob & Co. |
| Automaton | On-demand derrick sequence; minimum 35 seconds; pusher at 1:30 | On-demand derrick sequence; minimum 35 seconds; pusher at 2 o’clock |
| Water resistance | 30 m (3 atm) | 30 m (3 atm) |
| Crystal and strap | Double-curved, anti-reflective sapphire; black alligator strap | Curved, anti-reflective sapphire; alligator leather strap |
| Edition | Limited to 99 pieces | Limited to 88 pieces |
Specifications are from Jacob & Co.’s respective 43 mm black-titanium listing and 49.5 mm rose-gold/green listing. Both list a folding clasp combining 18K rose gold and titanium. The black-titanium dial uses rose-gold derricks, pipes, manifold and barrel, with red hands; the rose-gold/green listing describes rose-gold-plated scene elements and red derrick-shaped hands.
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#1 Best Overall
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What is the 44 mm redesign?
Jacob & Co.’s modernization announcement describes a separate redesign that reduces the case from 49.5 mm to 44 mm in diameter and from 20 mm to 18 mm in height. The announcement specifies a rose-gold-and-sapphire design, a domed sapphire crystal with anti-reflective treatment, a single-axis flying tourbillon making one revolution in 60 seconds, and a hand-wound JCAM53 with 450 components and a 72-hour reserve. It says the edition is limited to 88 pieces. The announcement does not provide an item reference, so those details should not be assigned to the separately cataloged 43 mm black-titanium model. See Jacob & Co.’s redesign announcement.
The manufacturer says the smaller redesign is intended to make the watch more comfortable on the wrist; that is a design claim, not an independent fit test. Case diameter and height alone also do not establish how a large, elaborate watch will wear: wrist shape, strap fit and the watch’s overall proportions matter.
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How much does the Jacob & Co. Oil Pump cost?
No current price is stated in the official product pages or redesign announcement cited here. Ask Jacob & Co. or an authorized retailer for a quote tied to the exact reference, currency, market, taxes and current availability. Do not assume a price for one configuration applies to another, or treat a secondary-market listing as the manufacturer’s current price.
The catalog pages give limited edition sizes, not how many pieces remain available or whether a particular reference can currently be ordered. Confirm stock and seller authorization directly before treating an offer as available.
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What to know before considering one
- Choose by configuration, not just color. The two cataloged watches differ in case size and material, movement caliber, reserve and tourbillon arrangement.
- Account for the proportions. The cataloged cases are 18 mm and 20 mm thick; the redesign announcement’s 44 mm model is listed at 18 mm thick.
- Understand the water-resistance rating. The two catalog listings specify 30 m (3 atm). This is a stated specification, not a reason to treat the watch as a dedicated diving watch.
- Verify the exact item. The 44 mm redesign announcement and the 43 mm black-titanium catalog entry are different descriptions; request the reference and full specifications for the watch being offered.
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.
