LacoAachen 42
A scale drawing from the manufacturer’s dimensions; the official photo is pending. Header: a pilot watch.
Indicative price band. The exact price is on Amazon.
See price on Amazon- The type A dial of classic pilot watches, with large numerals and a triangle at 12, at 42 mm.
- Laco 2S movement with 42 h of power reserve at 21,600 bph.
- Hacking seconds and hand winding.
- Sapphire crystal and 50 m water resistance.
- 42 mm diameter, 11.8 mm thick and 50 mm lug-to-lug.
Affiliate link: if you buy, Amazon pays Calibrario a commission and you pay the same. Availability on Amazon.es checked on 21 October 2026.
In figures
Will it fit your wrist?
Move the slider to your wrist circumference. Seen from above, your wrist is roughly a third of that wide; if the lug-to-lug is wider, the watch overhangs.
With a 17 cm circumference, your wrist is about 56 mm wide.
Specifications
Movement
| Movement | Laco 2S |
|---|---|
| Movement maker | Miyota, 82S0 base |
| Power reserve | 42 h † |
| Beat rate | 21,600 bph † |
| Hacking seconds | Yes |
| Hand winding | Yes † |
Case and crystal
| Diameter | 42 mm |
|---|---|
| Thickness | 11.8 mm |
| Lug-to-lug | 50 mm |
| Case | Steel |
| Crystal | Sapphire |
| Water resistance | 50 m |
| Rotating bezel | No |
| Display caseback | Yes |
Strap and dial
| Lug width | 20 mm |
|---|---|
| Strap or bracelet | Leather strap |
| Dial | Black |
| Complications | Time only |
Buying
| Indicative price band | €370–420 |
|---|---|
| Style | Pilot |
| Brand origin | Germany |
Data checked against the manufacturer’s official website on 21 October 2026. A dash means the manufacturer does not publish that figure.
Figures marked † are not published by the brand: they come from the official documentation of the movement maker, Miyota. miyotamovement.com
Sources: laco.de, miyotamovement.com
The movement
The most widespread Japanese automatics outside Seiko: simple, reliable and with about 42 hours.
Against its rivals
| Figure | Laco Aachen 42 | Laco Augsburg 39 |
|---|---|---|
| Indicative price band | €370–420 | €370–420 |
| Movement | Laco 2S | Laco 2S |
| Power reserve | 42 h | 42 h |
| Beat rate | 21,600 bph | 21,600 bph |
| Crystal | Sapphire | Sapphire |
| Water resistance | 50 m | 50 m |
| Diameter | 42 mm | 39 mm |
| Thickness | 11.8 mm | 11.6 mm |
| Lug-to-lug | 50 mm | 46.5 mm |
| Hacking seconds | Yes | Yes |
| Hand winding | Yes | Yes |
| Rotating bezel | No | No |
| Strap or bracelet | Leather strap | Leather strap |
| Brand origin | Germany | Germany |
| See price on AmazonSee specs | See price on AmazonSee specs |
Watches of the same style with the nearest price band. In red, the best figure in each row.
Comparisons
Making sense of the specs
Power reserveHow long it keeps running off the wrist, and why 80 hours changes daily life.Read the guide 
Sapphire, Hardlex or mineralWhich crystal scratches, which chips and which is worth it.Read the guide Frequently asked questions
Which movement does the Laco Aachen 42 use?
The Laco 2S, from the Miyota 82 series (821A, 8215 and 82S0) family, made by Miyota, 82S0 base. It gives 42 h of power reserve at 21,600 bph.
Does it have hacking seconds and hand winding?
The seconds hand stops when you pull the crown, and it can be wound by hand by turning it.
Can you swim or dive with it?
It is water resistant to 50 m: it handles splashes and rain, but it is best not to swim with it.
What size wrist does it suit?
With a 50 mm lug-to-lug, it suits wrists from about 16 cm in circumference. Below that, the lugs reach the edge. You can work it out with your own measurement on this page.