- Brand: Piaget
- Model: Protocole
- Reference: 90154
- Year: 1990s
- Dimensions: 26 mm
- Dial: 18 yellow gold
- Case Material: 18k yellow gold
- Crystal: Sapphire
- Band Type: Leather band
- Band Material: Lizard
- Lug Width: 18 mm
- Movement Type: Mechanical
- Caliber: 9P2
- Accessories: –