The first generation of Enicars GMT chronograph came to market in 1963, the same year as the other Sherpa Graph with a rotating bezel, the Aqua Graph. They also share the same characteristics of that year: arrow sub dial hands and the short reference number 072 / 002.
Reference Number: 072 / 002
Serial Range: 626.7xx – 627.0xx
Stainless steel EPSA compressor case with bajonet lock.
40,6mm x 49,5mm without crown, 14mm thickness, lug width 20mm
The Jet Graph has a aluminum GMT Bezel with numbers from 1 to 24 whereas numbers from 6 till 18 are black on a silver base and from 18 to 6 vice versa.
The bezel is freely turning without clicks.
Made of red eloxed aluminum the tip of the ring is formed like a triangle. The ring is freely turning from the bezel.
Two dial variations are known for the Jet Graph MK I, black -silver and blue- silver. The blue one seems very uncommon and rarely seen.
The Enicar logo is applied and not painted.
Minute and hour hand of the Jet Graph MK I are formed like a paddle (paddle style) and are very common for Enicar watches of the beginning and mid 60’s. They are unpainted with rectangle tritium lume and an orange tip. The tip is longer as with later executions.
The second hand is thin and without color.
The subdial hands are unpainted too and regarding the chrono subs they formed like an arrow.
The GMT hand is silver with a orange or yellow tip.
Since the Jet Graph also uses the compressor case of the Aqua Graph you will find the waffle compressor crown with Enicar saturn on it.
Measurements: 6,25 x 3,75; Tap 12
The back shows the Seapearl logo in the middle.
Movement: Valjoux 724 with golden finish and GMT complication.