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Oris Aquis Dat Watt Limited Edition II 43.5mm Mens Watch Green
Ref. 01 743 7734 4197-SET
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Stepping up in the same colour and case shape
The Wadden Sea — the tidal mudflats and salt marshes stretching across northern Europe — earned UNESCO World Heritage status in 2009, and 2,009 pieces of this watch exist because of it. This is the second edition to come from Oris's partnership with the Common Wadden Sea Secretariat, an organisation working to conserve that ecosystem, and the green of the dial is a direct reading of the way light moves across salt marsh water rather than a generic diver's colour choice. The Aquis platform is a known quantity as a working diver, and this edition sits within it without softening anything: the tungsten minutes-scale bezel insert, the screw-down crown, and the 300-metre rating are all intact. What distinguishes it at a glance is that circular date window — a ring rather than the usual aperture, driven by Calibre 743 with its stop-seconds and fine-timing device. The set comes with a steel bracelet and a blue rubber strap, and the case back carries engravings specific to the edition.
- Reference
- 01 743 7734 4197-SET
- Brand
- Oris
- Collection
- Aquis
- Case size
- 43.5mm
- Case thickness
- 13mm
- Case material
- Stainless steel
- Case shape
- Round
- Dial
- Green
- Crystal
- Sapphire
- Bezel
- Unidirectional rotating
- Movement
- Automatic
- Calibre
- 743
- Functions
- Date
- Water resistance
- 300m
- Bracelet / strap
- Stainless steel bracelet
- Strap colour
- Blue
- Clasp
- Deployant clasp
- Lume
- Super-LumiNova
- Retailer
- Mappin & Webb
Additional specifications
- Power reserve
- 41 hours
- Origin
- Swiss made
Learn more about Oris
Paul Cattin and Georges Christian took over an empty factory in Hölstein in 1904 and named the company after a nearby gorge. It stayed independent, and stayed in that valley, for its entire history.
Oris built its reputation on volume mechanical watches made properly. By the 1960s it was among the largest Swiss employers in the sector, producing hundreds of thousands of movements a year. Its most curious historical footnote is regulatory: Swiss law restricted the number of jewels a watch could contain under certain classifications, and Oris fought a decade-long legal battle to be permitted to fit lever escapements — winning in 1968.
The quartz crisis nearly ended it. The company was bought out of the ASUAG conglomerate in 1982 by two managers, Rolf Portmann and Ulrich Herzog, who took it back to mechanical watches exclusively at precisely the moment the rest of the industry was abandoning them.
That independence remains the point. Oris is one of the few Swiss houses of any scale with no group ownership, and it competes on value rather than prestige — dive watches, pilot's watches, and the Big Crown line descended from its 1938 pointer calendar. The house developed its own Calibre 400 family from 2020, offering five-day power reserves and ten-year service intervals at prices well below the norm for in-house movements.
- 1904
- Paul Cattin and Georges Christian found Oris in Hölstein.
- 1938
- The Big Crown pointer calendar is introduced.
- 1968
- Wins the legal fight to use lever escapements.
- 1982
- A management buyout returns the company to independence.
- 2020
- The in-house Calibre 400 launches.
Also in 7 collections
This watch appears in the Oris Aquis range (21), Back in Stock (4,007), Stainless Steel Watches (2,833), Automatic Watches (1,417), Sports Watches (667), Dive Watches (486) and Green Dial Watches (392).
What the specifications mean
A mechanical watch built to be worn hard and got wet.
Strengths
- 300m water resistance, rated for actual diving
- Sapphire crystal, which resists scratching
- Luminous hands and markers for low light
- Sits in the lower half of Oris's range as we list it
Worth knowing
- 43.5mm sits at the larger end
Price history
This watch is currently at its lowest recorded price. It reached £2,550 on 13 August. Prices are checked every day, and we record any changes.
Oris Aquis Dat Watt Limited alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | 01 743 7734 4197-SET | SPB519J1 | 785.60.031.26 |
|---|---|---|---|
| Price | £1,785 | £1,700 | £1,610 |
| Case size | 43.5mm | 42mm | 42.5mm |
| Water resistance | 300m | 300m | 300m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Stainless steel bracelet | Stainless steel bracelet | Rubber strap |
| Power reserve | 41 hours | 72 hours | 38 hours |
| This watch |
| Closely matched |
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Yes. At 300m it is rated for swimming, snorkelling and recreational diving.
Water resistance explainedWill the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Sapphire, mineral and acrylic comparedDoes it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
Quartz, automatic and solar comparedHow long does it run for when it's not worn?
About 41 hours fully wound — enough to survive a night off the wrist, but not a full weekend.
Is it a men's or women's watch?
Listed as men's.
Cheapest place to buy
Mappin & Webb is the only UK retailer we track stocking this reference, so there is nothing to compare it against today.
Has the price changed recently?
It's currently at its lowest recorded price since we began tracking it. It's ranged between £1,785 and £2,550, today it's £1,785.
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