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PRIM Automatic / mechanical swiss movement
PRIM OK-A
Product code
73-095-502-00-1
- Price incl. VAT1 821 €
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- DESCRIPTION
- DETAILS
- MOVEMENT
- SIMILAR PRODUCTS
OK-A is the international designation for Czechoslovak civilian aircraft. As the name of this PRIM sports watch therefore suggests, it is inspired by the aviation industry. In this spirit, a completely new case with a threaded crown was created, which is solid, but at the same time, very comfortable to wear.
The OK-A inscription on the dial is visually different from different angles due to the printing technology used. Distinctive luminescent indices, readable even under difficult conditions, are reminiscent of aircraft on-board instruments.
The dominant feature on the closed caseback is the two-bladed propeller, a reference to the beginnings of Czechoslovak civil aviation. This symbol decorated the buttons of the pre-war uniforms of CSA employees. The water resistance of the watch has been increased to 10 ATM, as a result of which the PRIM OK-A model is suitable for wearing even in more demanding conditions.
The watch belongs to the PRIM Automatic model series and is equipped with a high-quality Swiss ETA movement with automatic winding. All the other components, such as the case, crown, hands and dial are made in our factory in Nové Město nad Metují by Elton hodinářská.
Technical parameters
| Model series | OK-A |
| Dial | black, printed, luminiscent |
| Movement | PRIM calibre 73 - automatic |
| Bracelet | NATO textile strap, green, šíře 20 mm |
| Edition | open |
| Case diameter | 40 mm |
| Case lenght with lughs | 48 mm |
| Case height incl. glass and lid | 11.2 mm |
| Surface treatment | ground |
| Crystal | sapphire convex |
| Caseback | full screw-down case back |
| Crown | stainless steel, screw‑in crown |
| Water resistance | 10 ATM |
| Case | stainless steel 316L |
| MOVEMENT TYPE: | mechanical with automatic winding |
| DIMENSIONS | diametr 25,6 mm, height 4,6 mm |
| OSCILLATOR FREQUENCY: | 28 800 vibrations per hour (4Hz) |
| NUMBER OF JEWEL BEARINGS: | 25 |
| POWER RESERVE | 38 hours |
| TIME INDICATION: | 3 hands and date |
| CALIBRE FUNCTION: | basic time information including date display |
| TECHNICAL DESCRIPTION: | ETA 2824-2 |
OK-A
Alternative products
PRIM OK-A DLC
PRIM Automatic / mechanical swiss movement