• Case Diameter: 34mm, 36mm (with crown)
• Case Thickness: 14 mm (to accommodate the alarm mechanism)
• Lug Width: 18 mm

• Caliber: Vulcain Cricket manual-wind movement (such as the Caliber 120, 401, or a variant)
• Type: Manual mechanical
•  Power Reserve: Approximately 40 hours
• Frequency: Typically 18,000 vibrations per hour (2.5 Hz)
•  Functions:
• Hours, minutes, and central seconds
• Mechanical alarm (activated via a pusher or crown, with a distinct “cricket-like” sound)
•  Jewels: Typically 17-25, depending on the specific movement variant

• Known for its loud and clear alarm, enabled by a unique twin-barrel system: one barrel powers the timekeeping while the other powers the alarm.
• Classic design with simple yet elegant dial layouts, often featuring applied indices and dauphine or baton hands.

This watch holds historical significance as a pioneering mechanical alarm wristwatch, often associated with reliability and craftsmanship. If it’s a Birks edition, it likely bears a connection to Birks, the Canadian luxury jeweler and retailer, which may have branded or distributed this Vulcain model.