In this detailed video by perplxr, watch as a hand-wound ETA caliber 6497-1 movement gets overhauled from start to finish,...
What is the difference between ETA/Unitas caliber 6497 and 6498? Both movements are based off of pocket watch movements....
How to disassemble a Unitas/ETA caliber 6497 movement? There are some excellent videos of how to disassemble a caliber 6497/6498...
Manufacturer ETA Caliber Number 6497-1 Movement Type Mechanical, manual-wind Lignes 16.5”’ Diameter 36.6mm Height 4.5mm Jewels 17 Beat Rate 18,800...
Brand Unitas Caliber Number 6497 (also see 6497-1) Movement Type Manual wind Size (lignes) 16.5”’ Diameter 36.6mm Height 4.5mm thick...
What is the difference between caliber 6497-1 and 6497-2? There are two variations of the ETA/Unitas 6497 including the 6497-1...
Manufacturer Unitas Caliber Number 431, UT431, 431-445 Movement Type Mechanical, manual-wind Lignes 18.5”’ Diameter 41.7mm Height 4.7mm Jewel Count Seventeen...
Manufacturer Seagull Caliber Number TY3600, 3600, ST3600, ST36, ST-3600, ST36 Movement Type Mechanical, manual-wind Lignes 16.5”’ Diameter 37.2mm Height 4.5mm...
Power Reserve refers to the running time of a fully wound mechanical watch (manual-wind or automatic). For example, if you...
Manufacturer Sea-Gull (Seagull) Caliber Number ST3621 AKA TY3621, TY-3621 Movement Type Mechanical, manual-wind Diameter 37.2mm Height 4.5mm Jewels 17 Beat...
Brand Chronoswiss Caliber Number C.672, C672 Base Caliber ETA/Unitas 6497-1 In-House? Not the base; some modifications developed in-house Movement Type...
The Panerai caliber P.6000 is a manual-wind mechanical watch movement with 19 jewels and a beat rate of 21,600 vph...
What are “jewels” in a watch? Jewels in a watch are tiny translucent pink or purple stones, also called rubies....
What is a Lepine watch movement or caliber? The term Lépine comes from a style of pocket watch that has...
Manufacturer ETA/Unitas Caliber Number 6503 Base Caliber ETA/Unitas 6497 Movement Type Manual wind Size (lignes) 16.5”’ Diameter 36.6mm Height 5.0mm...
Brand Norqain Caliber Number NN08 Base Caliber Sellita SW200-1 In-House? No Lignes 11.5”’ Diameter 25.6mm Thickness 4.6mm Jewels 26 Power...
Manufacturer Seagull Caliber Number 3600K, ST3600K, ST36K, ST-3600K, ST36 Movement Type Mechanical, manual-wind Lignes 16.5”’ Diameter 36.60mm Height 4.50mm thick...
Manufacturer ETA Caliber Number 6498-1 Base Caliber 6498 Lignes 16.5”’ Diameter 36.6mm Height 4.5mm thick Jewels 17 Vibrations Per Hour...
Manufacturer ETA Caliber Number 6498-2 Base Caliber 6498 Diameter 16.5”’ (36.6mm) Height 4.5mm thick Vibrations Per Hour 21,600 bph (3...
Brand AROLA Alfred Rochat & Fils S.A. Caliber Number AR 165, AR165 Base Caliber ETA/Unitas 6497 Movement Type Manual wind,...
What is the difference between Sellita caliber SW200 and SW200-1? In 2008, Sellita published a document about the evolution of...
What is the difference between caliber 6498-1 and 6498-2? There are two variations of the ETA/Unitas 6498 including the 6498-1...
“Workhorse movement” is a label given to certain watch movements by enthusiasts and collectors in many watch communities. The term...
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Active Caliber Listings
My apologies, I missed that somehow.
Hi Gary L, you are correct. Please see the SW300-1 here and the SW330-1 here.
Hello everyone, I think the SW300 is Sellita’s version of the ETA 2892-A2. The GMT…
As far as I know, this caliber was produced in the mid-eighties to the mid-nineties
Hi, I am new here. I am just starting to go into movements and tinker…