1977 CWC W10 British Army issue
Excellent condition
£645.00
Out of stock
The CWC W10 superseded the Hamilton W10 in as the standard MoD field watch and was produced from 1976-1980, when it was itself superseded by the quartz G10.
This type of watch is generally known as the 'W10' because the majority supplied were against Army contracts (around 25000 Hamilton versions in 1973 alone) with the army service code 'W10' marked on the back. The nickname is applied to all versions of these watches including the 1976-80 CWC version and the versions supplied against RAF and Royal Navy contracts, which (confusingly) have different services codes marked on the back.
The W10 has a solid stainless steel 'tonneau' (barrel-shaped) monocoque case, with no removable back. The movement, dial and hands are fitted and removed from the front (known as a 'front-loader'). To remove the movement the crystal has to be lifted off and the outer stem and crown detached.
The W10 is powered by the reliable and accurate ETA 2750 hand winding 17 jewel mechanical movement with a different balance wheel to most civilian ETA 2750s and with hacking seconds.
This example is a 1977 British Army (W10 service code) issued watch, of which around 5,500 were produced. They remain a very collectible watch and both stylish and practical for daily wear.
This example is in very nice, clean condition and recently serviced, as detailed in the condition report and is fitted with a new NATO strap.
The monocoque case is in very clean cosmetic condition with general marks and small knocks from use. The case has nice sharp edges, which differ in profile to the more rounded shape of the Hamilton W10 cases. The dial and hands are in excellent original condition. The crystal is a replacement with correct matte tension ring. Please refer to the images to make your own judgement about the condition of the watch.
Mechanically the watch has just had full stripdown, clean and service, including new mainspring, in January 2025. The case was ultrasonically cleaned. The original CWC-signed ETA 2750 movement was fully stripped, with all parts cleaned and rinsed mechanically and ultrasonically in waterless solutions and hot air dried. The movement was reassembled, lubricated and regulated. The mainspring was replaced during service.
Amplitude is 300+ degrees, beat error is 0.1ms and accuracy is within +/- 5 seconds per day (on the bench, this may differ when worn). The service was photo documented and images have been added to the listing, including an image of the watch on the timegrapher showing the readings. The watch hacks and adjusts correctly from the crown.
Please note that the design of this watch includes a split stem arrangement. If too much force is used when pulling the crown to hack or adjust the time it is possible to detach the outer stem and crown, so care should be taken. If the crown does detach it is not a major issue as it can easily be refitted.
The watch is absolutely suitable for everyday use, but it is vintage watch so is not recommended for sports or use in extreme conditions. The watch has not been pressure tested so water resistance is not guaranteed. This watch is covered by our non-waterproof 6 month guarantee.
Issued: Yes
Issue details: UK, British Army
Date of manufacture: 1976
Movement: ETA 2750
Rarity: 5500 issued
Diameter: 36mm
Lug width: 18mm
Hacking: Yes
Case back: N/A monocoque case
Screwdown crown: No
Bracelet: NATO
CWC Army issue W10
5500 issued
ETA 2750 hacking movement movement
Recently serviced
Very good condition
Supplied on new NATO strap
6 months non-waterproof guarantee
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