PMV pro mini SKU: SM3001S2. MSRP $1499.00. 2 year warranty. On ebay you can buy one as I did from Pinehurst Coin for $1300 shipped. https://www.sigmametalytics.com/product-page/pmv-pro-mini-standard-sete Sigma Metalytics is a Chico California private company. They have made for several years the PMV original device, which is a large desktop device with B&W 1cm x 4cm LCD screen on the device that gives you an idea of sample purity using a bracketing indicator. It is also pricey at $899. The largest PVM pro desktop is a $1800 device with onboard color LCD display. Their technology is patented, but possibly involves either an electric current (most likely), or radiofrequency waves passed through the metals analyzed. My Pro Mini is said to penetrate through up to 1cm thick samples, but if your sample is too small, such as with small scraps, or tiny coins the wand will yield more reliable results. These devices are for people who are paranoid about their precious metal collections and don't feel magnetic testing, weight and measurement confirmation, and "ping testing" is adequate. For gold you can test with iodine for tarnishing, but this only tells you the surface coat is gold, not the interior which can easily be tungsten which has similar weight as gold and is nonmagnetic also. There are horror stories of $800k gold bricks with just a thin plate of gold and otherwise tungsten through and through - this was confirmed only with drilling it through. These conductivity of metal analyzers offer you nondestructive and fast/efficient confirmation of your collection. Here is a very excellent alternative tester that uses similar technology but is too new to buy in the USA yet: https://www.gold-analytix.com/goldscreenbox Here are some other testers taht are cheaper but far less satisfying to use: https://www.dmia.net/gold-tester-reviews/ I bought this item without incentives, promos, and made this video without any prompting by the company. No compensation of any kind was offered nor taken.

Bought on St.Patrick’s sale at jomashop: Certina DS-1 DayDate automatic silver dial, C0064301603100, item# C006.430.16.031.00 Retail: $865, usual $535.99, on sale $308.89. I got $20 off coupon and free shipping, so final price: $309.83. Stainless steel bezel with silver dial, luminous rose-gold hands and indices with luminescent hands/markers. Date displays at 6 o’clock, day of week at 12 o’clock. Movement is ETA 2834-2 automatic movement with 38-hour power reserve. It has sapphire crystal. Pull/push crown, skeleton case back. 39mm case size with 12mm thickness. 20mm band width. 100m/330ft WR. Shock resistance. Comes with brown leather strap. 2yr warranty. Certina S.A. founded 1888 by Adolf and Alfred Kurth in Grenchen, Switzerland. The business continued to grow such that by 1955, they were producing 1000 timepieces daily by 500 employees, and by 1972, 1643 watches/day from 900 employees. Certina joined w/General Watch Co. In 1971 pressured by cheap reliable watches from Japan they abandoned in-house calibres, and by late 1970s manufacturing operations moved to Biel/Bienne. W/merger of SSIH and ASUAG companies, Certina fell under conglomerate management alongside Mido and Tissot. Certina became member of Swatch group (SMH group) in 1983. By 1959 produced the DS (double security) line – Kurth engineered concept of suspending the movement inside a highly reinforced case which they named DS – this increased shock resistance and water resistance. By 2014 certina’s logo changed to turtle, symbolizing protection from water and shock. Certina wanted to distinguish itself as more expensive and higher quality than peers in SMH like Tissot, but is still seen at this same level – considered as middle of the Swiss watch brands in prestige alongside tissot & mido, but also the highest value swiss watch. This watch was taken on a climb up Himalayas. Brand ambassadors included Muhammad Ali. Certina was official timekeepers for 1990s motorcycle grand prix, and of 2014 World Rally championship.