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Superior CHELSEA MK I Navy Deck Clock 1941

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To view our current inventory of fine quality, premium brand, WW II Navy and ship's vintage clock, click here!

CHELSEA MK I DECK CLOCK 1941 3 PIECES

CHELSEA WW II U.S. NAVY MARK I DECK CLOCK
COMPLETE EXAMPLE 3 PIECES

Naval Observatory Cartouche 1941

Chelsea MK I Deck clock on stand image

Presentation Quality

STAND INCLUDED A $75.00 VALUE

The WW II Chelsea MK I Deck Clock's case was made differently than the ubiquitous nickel plated Seth Thomas version. It is more refined and far better looking in polished brass.

DIMENSIONS: 5 1/2" Diameter of face 3 1/4" Deep 8" Full Diameter Weight 10 lbs 6 oz

Presented

is another outstanding example of a Chelsea, back winding, Navy MK I Deck Clock
with a hinged front that is complete with both backing plates making up 3 pieces. Originally, one plate acted as a water tight cover and shock absorber and the other mounts it to a bulkead or wall. It is unusual to get this clock with its back cover plate and more so with the original mounting plate making this an even rarer exception. The Chelsea version of what was supposed to be a standardized mil-spec design is more refined and has a different hinge arrangement than the thousands of nickel plated clocks that were made by Seth Thomas. This clock is in polished brass with a lacquer coating to preserve its luster. The movement, serial number 286932 dates from 194. It is keeping good time compared to a quartz comparison watch.

Navy MK I DECK clocks of WW II were manufactured in accordance with

military specifications 18C-11 and 18C -13. This Chelsea example has modifications which are unique. The front section holds the movement and has an integral stud on the backing plate that acts as the hinge. This compares to the more common Seth Thomas version which uses a removable pin, and has a chrome plated case. In both designs, the back of the front section has all the controls on the rear.


Picture shows the three components of clock
Chelsea clock has an integral stud on the mounting plate as a hinge plus shock damper. 3 pieces total

Typical Seth Thomas MK I casting uses a separate pin as a hinge


Both Andrew Demeter in his definitive book, "Chelsea Clock Company, the first 100 years" and Marvin Whitney in his encyclopedic work, "MILITARY TIMEPIECES" say that these clocks were chromium plated up to 1941 when cases were switched to Bakelite, a phenolic.
Movement of clock image
Movement of clock in pristine condition


A Mark I Deck clock made by Chelsea is a rare find, as is a clock of this age and service at sea to be found with all its parts. It is a great find for a collector of military pieces or as an important gift.


Beneath the hand arbor is etched:

MARK I DECK CLOCK
U.S. NAVY
(NO) 9346
1941

( NO) represents the Naval Observatory which means the clock not only met the military specifications, but also met the stringent standards of this institution which maintains the Nation's Time Standard. At the bottom of the dial it is marked Chelsea.

The following controls are accessed on the back:

  • Fast - Slow adjustment. To regulate turn towards S to Slow and vice versa
  • Stop - allows to precision setting with master clock
  • Set - moves hands
  • Wind - a key is included

MOVEMENT:It has a Chelsea Model 17K, 11 jewel 8 day movement that is wound, set and adjusted through a slotted dust cover at its rear which closes. A separate start/stop mechanism allows it to be synchronized with a master time piece.

The removable vibration dampener backing plate is attached to the bulkhead plate by six screws and holds the front case secure by a wing nut dog. 

Three quarter view of image Opposing three quarter view of image

Opposing views of this special MK I Deck clock

CONDITION: This example has seen about 73 years of service, much of it at sea, and has been restored to "like new" condition. The face is in very good condition without any faults. The irradium dots over the numbers for night viewing have been removed because they were radio active. The lens under most light conditions shows clear, but has some faint masking. The movement has been recently serviced and is keeping good time. A Chelsea key is included. The case has been recently polished and lacquered.

International buyers welcome, but must inquire first.We have satisfied customers in Argentina, Australia, Austria, Belgium, Bermuda, British Virgin Islands, Canada, Chile, China, Czech Republic, Democratic Republic of Congo, Denmark, Estonia, England, France, Germany, Greece, Holland, Hong Kong, Hungary, Iceland, Ireland, Israel, Italy, Japan, Kuwait, Latvia, Luxembourg, Martinique, Mexico, New Zealand, Norway, Nova Scotia, Panama, Poland, Portugal, Puerto Rico, Russia, Romania, Saudi Arabia, Scotland, Singapore, Spain, Sweden, Switzerland, Thailand, Turkey, United Arab Emirates, USVI and the Eastern Caribbean.

NO NONSENSE WARRANTY: We guarantee that this clock will be working on arrival and that our description is entirely accurate or your money back. The only conditions are that an email authorization be obtained within three days, and that the instrument is returned in its original condition and packaging, and insured for its full value. Shipping charges within the continental United States are included in this offer if the error is ours. This does not affect our policy on shipping damage which is discussed below.

PACKAGING: We take great care in packaging our clocks for shipment which includes bubble wrap, placing in a box, and then placing in a larger box surrounded by impact absorbent material. However, we are not responsible, once it is turned over to the carrier. Full Value insurance is required. In the event of damage due to shipping we will assist you in all respects even to filing a claim in your behalf.


This U.S. Navy black face clock has a dramatic appearance and makes a perfect gift or as an addition for your den wall or in a collection.

 

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