Just recently, Piaget has seen a major resurgence in collector interest, driven by renewed appreciation for the brand’s ultra-thin watchmaking, precious metal construction, and distinctive dial work. Stone and organic dials in particular have become increasingly sought after, highlighting Piaget’s unique ability to blend artistry with technical refinement.
This Ref. 9154 Piaget Protocole, produced circa 1970s–1980s, captures all of those qualities perfectly. Its 25mm x 27.5mm 18K yellow gold case measures an impressively slim 5mm thick, maintaining Piaget’s signature ultra-thin profile while offering a more architectural wrist presence. The standout feature is the rare factory mother-of-pearl tapestry dial, an incredible display of craftsmanship. Mother of pearl is an exceptionally fragile material, already difficult to cut into an ultra-thin dial, let alone engrave with a precise tapestry texture without compromising its integrity. Under certain lighting the dial appears like a subtle silver tapestry, while at other angles it comes alive with warm orange and cloudy iridescent tones.
Powering the watch is the manual-winding Piaget Caliber 9P, one of the brand’s most celebrated ultra-thin movements. It remains fitted on its original black crocodile Piaget strap with its original 18K yellow gold Piaget buckle.
Condition Report:
Case: In strong condition with deep bezel beveling and sharp hallmark on caseback. Medium scratches and small dings throughout case and bezel.
Strap/Bracelet: Piaget signed black crocodile strap is in worn condition with heavy discoloration and signs of wear. Piaget 18K yellow gold pin buckle is signed Piaget 750 and has medium scratches throughout.
Dial/Crystal/Hands: Factory Piaget Mother of Pearl tapestry dial is in extremely well-preserved condition with no cracks or fractures. Crystal is in good condition with no scratches or chips. Hands have light scratches visible under magnification.
Movement: Piaget Manual Winding Caliber 9P Movement just received a full service and is running well with a 5-position average of -3.6 S/D | 278° AMP | .4 MS BE.
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