Draft record. We're still checking this one against its sources, so it may be incomplete. What's missing is listed at the bottom.

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Sherpa · Chronograph

Sherpa Aqua Graph MkIV

How to tell: Baton hands with an orange triangle chronograph hand, an orange minute-counter hand and one lume spot at 12 on the bezel.

Draft

Aqua Graph and Jet Graph

Figures as published, never re-priced by us.

Produced: c. 1968 to 1969
Type: Chronograph
Movement: Valjoux 72, Valjoux 726
Case: Unknown
Diameter: 40 mm
Dial: Black with white registers
Hands: Baton, outlined in white; orange triangle chronograph hand; orange minute-counter hand
Bezel: Black 60-minute outer bezel, one lume spot at 12; red ring with a house-shaped pointer
Features: Outer bezel, Red pointer ring
Factory refs: 072-02-02
Serials seen: 1.070.2xx – 1.070.9xx, 1.317.6xx – 1.321.8xx
Dated: 3/68 to 5/69
Made (estimate): 1,900+ watches, estimated from serial ranges
References: 072/002, 072-02-02

Read the full story

Sherpa tool watch matrixenicar.org, Martijn van der VenThe full matrix of Sherpa tool watches from the Enicar book, free to download.
Aqua Graph, every generationEnicar 101Generation pages with serial ranges, case details and photos.
Aqua Graph MK IVEnicar 101

Spec	MkIa	MkIb	MkII	MkIII	MkIV
Years	1963	1964	1966	1967	1968 to 1969
Factory refs	072/002	072/002	072-02-02	072-02-02	072-02-02
Dated	1963 (est.)	1964 (est.)	6/66	6/67	3/68 to 5/69
Made (est.)	500	900	600	900+	1,900+