1-MChZ Vintage USSR Russian Air Force Aviation astronomical Chronometer Clock

Description

1-MChZ (POLJOT)
- rare vintage
USSR
Russian
Air Force
mechanical Aviation astronomical Chronometer Clock
.
On floating craft, flying vehicles, it was used to determine longitude. Longitude is calculated from the difference between the local time of an astronomical event (for example, sunrise or sunset), and the time of the same astronomical event at the longitude of one of the observatories, the geographical coordinates (in particular, longitude) of which are known, for example, Greenwich, the longitude of which is worldwide taken as zero. Over the past centuries, the design of the Harrison chronometer has remained practically unchanged (except for the manufacturing technology and materials).
These chronometers were originally produced and have been completely reconditioned by the first 1
Moscow Watch Factory (Poljot) of the name of Kirova
under the 6MX brand
.
The centuries-old traditions of manufacture include: precision Swiss fuse (pulley) technology and genuine rubies for accuracy.
These are spectacular, fully gimbaled, 17 - jewels (15 mineral rubies), 56-hour navigational chronometers.
This is excellent acquisition for ship or sailboat.
These chronometers are considered as one of the best and qualitative models.
The chronometer will add your collection with pleasure.
The clock case was stamped brand Poljot and serial number 02957.
Dome glass is mineral crystal
.
The clock was serviced and now is in very good and fully working condition.
Caliber of mechanism - 85 mm
Clock crystal diameter: 108 mm
Height of mechanism - 39.8 mm
Amount of stone in a chronometer, psc. Without pin
Devices - 15 with a contact device - 20
Period of oscillation of balance, with - 0,5
Duration of action of chronometer from one
Complete establishment of spring, ch - 56
Middle day's motion, wср, with - ±5,5
Maximal variation of day's motion of D, with - ±2,3
Temperature coefficient With, s/degree .±0,1
Any defects not mentioned but visible in the pictures will be considered as described!!!
This is Collectible Clock!!!
SHIPPING:
I send my items Worldwide.
All Items will be shipped via standard International Airmail of Ukraine.
Item reach most countries within 11-23 business days, in rare cases up to 30 business days. Be ready for these terms.
When you rate the shipping time part, please, take into consideration - international transit Items sent via standard or special courier.
All items will pack very securely, to fully ensure that - the item arrives safely.
INTERNATIONAL Buyers Please NOTE: Import duties, taxes and charges are not included in the item price or shipping charges.
These charges are the buyer's responsibility and will not be refunded in case the item is returned for a refund.
Please check with your country's Customs office to determine what these additional costs will be prior to bidding/buying.
For all shipments the value of the item will be declared lower than the auction price for custom duties.
Also I will mark item as "gift", so taxes should be minimal.
Dear Buyer, after you receive purchased item - I wait of your positive feedback.
If you received your item and it not as described or other problem - please immediately contact with me!
I will try do everything we can to I help you and resolve situation.