Abbreviations

Key to Abbreviations:

“AMAC” = anti-magnetic auto-compensating
“AN” = Arabic numeral
“cal” = caliber
“ct” = carat weight
“DES” = diamond endstone
“DR” = double roller
“DSD” = double sunk dial
“dwt” = pennyweight (20 per ounce troy)
“ED” = enamel dial
“ET” = engine turned
“FS” = fine scratch(es)
“g” = gram (31.1 per troy ounce)
“GF” = gold-filled
“GJS” = gold jewel setting(s)
“GP” = gold-plated
“GRO” = good running order
“H” = height
“HB” = hinged-back
“HB&B” = hinged-back & bezel
“HC” = hunting-case
“hl” = hairline(s)
“HS” = hairspring
“J” = jewel(s)
“K” = karat of gold quality
“KW” = key-wind
“KS” = key-set
“L” = length
“LS” = lever set
“M” = model
“MB” = motor barrel
“MFS” = micro fine scratch(es)
“mm” = millimeter
“MOP” = mother-of-pearl
“mvt” = movement
“NI” = nickel or other white plating
“NOS” = new old stock
“NR” = not running
“OF” = open face
“OH” = overhaul
“p” = page
“PG” = pink gold
“PW” = pocket watch
“QS” = quick set
“QSD” = quadruple-sunk dial
“ref” = reference
“RG” = rose gold
“RGF” = rose gold-filled
“RGP” = rolled gold plate
“RN” = Roman numeral
“RPBM” = rhodium-plated base metal
“RR” = railroad
“S” = size
“s#” = serial number
“SB” = screwed-back
“SB&B” = screwed-back & bezel
“SO” = swingout
“SS” = stem-set (pendant-set)
“SSD” = single-sunk dial
“SW” = stem wind
“TP” = Total Production
“TSD” = triple-sunk dial
“TW” = total weight
“UFS” = ultra fine scratch(es), brushing
“W” = width
“WED” = white enamel dial
“WG” = white gold
“WI” = wind indicator
“WR” = water resistant
“WW” = wrist watch
“YG” = yellow gold