Specht & SöhneSP2646
Homage to the Audemars Piguet Royal Oak
about$216
Regular price at the brand's own website, checked 31 Oct 2026. Marketplace prices change often.
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The Specht & Söhne SP2646 is a homage to the Audemars Piguet Royal Oak, with a 38 mm case, 3 mm smaller. It uses a quartz movement and is water resistant to 50 m. It costs about $216 at the official store.
Side by side with the original
Compared with reference 15510ST.OO.1320ST.06. Values marked ≈ are estimates, such as a reviewer's measurement.
| Spec | SP2646 | Royal Oak (15510ST.OO.1320ST.06) | Difference |
|---|---|---|---|
| Case diameter | 38 mm | 41 mm | −3 mm |
| Lug-to-lug | 46 mm | Not published | Can't compare |
| Thickness | 9 mm | 10.5 mm | −1.5 mm |
| Lug width | Not published | Not published | Can't compare |
| Water resistance | 50 m | 50 m | |
| Movement | Quartz, VH31 | Automatic, 4302 | |
| Power reserve | Not published | 70 h | |
| Crystal | Sapphire | Sapphire, glareproofed | |
| Bezel | Not published | Not published | |
| Case material | 316L stainless steel | Stainless steel | |
| Lume | Dial and hands | Luminescent coating on hands (type not published) | |
| Bracelet | 316L stainless steel integrated bracelet | Stainless steel bracelet | |
| Weight | Not published | Not published |
The original
Audemars Piguet
Royal Oak
Reference 15510ST.OO.1320ST.06, blue "bleu nuit nuage 50" grande tapisserie dial
- Case
- 41 mm
- Lug-to-lug
- Not published
- Thickness
- 10.5 mm
- Water resistance
- 50 m
- Movement
- Automatic, 4302
- List price
- $31,900
Why it scores as it does
Proportions and movement are computed from specs. Design details and functions are judged from the brand's official images. How we score
Lug-to-lug is neither published nor measured for one of the two watches, so there is not enough data to score.
Proportions— / 30
- Case diameter0 / 123 mm apart
- Lug-to-lug0 / 8Not published, left out
- Thickness3 / 61.5 mm apart
- Lug width0 / 4Not published, left out
Design signatures— / 40
- Octagonal bezel with eight screws12 / 12Octagonal bezel with eight visible screws.
- Grid-patterned (Tapisserie) dial4.5 / 9Raised rectangular brick-style tiles, not the original's small square grid.
- Bracelet integrated into the case9 / 9Steel bracelet continuing the case lines.
- Tonneau-shaped case3 / 6Octagonal bezel on a rounded case.
- Screw-locked crown4 / 4Crown on the right; listing says screw crown.
Functions and materials— / 20
- Complications4 / 8Three hands and no date visible; the original has a date.
- Bezel action4 / 4No rotating bezel on either.
- Case and bezel materials4 / 4Stainless steel case and bracelet.
- Crystal shape and date window4 / 4Sapphire crystal, as on the original.
Movement type— / 10
- Movement type0 / 10Different movement type.
What reviewers and owners say
We haven't read enough independent reviews of this model to summarise them yet.
Good
- Octagonal screwed bezel and integrated bracelet
- Sapphire crystal
- 9 mm thick
Less good
- No date, unlike the original
Versions and colours
- Steel, black brick-pattern dialIts own colourway, not on the originalabout $216
- Steel, burgundy brick-pattern dialIts own colourway, not on the originalabout $216
- Steel, blue brick-pattern dialIts own colourway, not on the originalabout $216
Compare
Sources
Checked 31 Oct 2026. Every figure on this page comes from one of these pages.