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To give you an idea of the overwhelming variety in the current Omega watch world, I have put together a guide. Please note that the following list does not claim to be complete or serve as purchasing advice.
I just want to shed some light on Omega’s very particular nomenclature that applies to the brand’s modern watches.
Omega Seamaster 300
Use of numbered references at Omega
For identification purposes, each watch model has a so-called Product Information Code (“PIC” for short), which consists of 14 digits. Below I will refer to this as AAA.BB.CC.DD.EE.FF. The corresponding descriptions can be converted using the “encoding table” and “collection code” (see below).
The first three digits of the PIC (the “AAA“) represent the collection: “311”, for example, stands for the classic Speedmaster family.
The following two numbers of the PIC (the “B.B“) refer to the case and the strap/strap material; For example, “13” means that the watch is housed in a stainless steel case and has a non-metallic bracelet.
“C.C.C“indicates the diameter, rounded up to the nearest digit.
“DD“” The PIC numbers in the fourth position tell us more precisely whether it is a quartz or a mechanical caliber. The first D indicates the type of movement: whether it is a chronograph, a coaxial chronograph or even a certified chronometer.
The second digit of the D-Duo refers to the number of complications, with “complication” being considered an additional indication beyond the hour, minute, second and date.
“EE“denotes the type of dial: for example, “01” is a plain black dial, while “63” would be a brown dial set with gemstones.
The last two digits (“FF“) refer to the production sequence number.
According to this system, the long number tells us that, for example, Omega’s Speedmaster Gray Side of the Moon Coaxial Chronograph (311.93.44.51.99.001), a gray ceramic watch with a leather strap, is part of the Speedmaster family (311).
The number 93 explains that the watch has an unspecified case and a non-metallic bracelet. The “44” defines the diameter, while “51” informs us that this is a mechanical coaxial chronograph with an additional complication.
The number “99” refers to the dial material, a “special material,” while “001” is the sequential number.
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