Montblanc International Guarantee, contains maintenance instructions for a variety of watches, including quartz watches, automatic watches, diving watches and chronographs.
This service guide covers Montblanc Standard & Complication timepieces. It describes the Manufactures, Laboratory Test 500, water resistance, watch movements, care and service recommendations, and user instructions for several movement types.
It also includes information on watch services offered by Montblanc service centres and the International Guarantee.
| Water resistance ratings | 3 bar, 5 bar, 10 bar, 30 bar |
|---|---|
| Automatic movement reserve | About 40 hours |
| Manual movement running time | About 50 hours |
| Manual winding | 20 to 25 crown turns |
| Automatic rewind | 10 to 15 crown turns |
| Quartz battery change | Approximately every two years |
| Quartz low battery indication | Seconds hand moves in 4-second jumps |
| Water resistance test interval | At least every three years |
| Montblanc Laboratory Test 500 duration | 500 hours |
About 40 hours.
At least every three years.
Approximately every two years, or when the seconds hand moves in four-second jumps.
20 to 25 turns of the crown.