The Calibre 1887 is the fifth movement designed 100% in-house by TAG Heuer – but according to various sources based on a SII (Seiko Instruments Inc.) TC78 platform.
The Calibre 1887 has the following features:
50 hour power reserve
Display: Hours, minutes, date at 6 o’clock, central chrono. hand
Sub-dials: seconds at 9 o’clock, minutes elapsed at 12 o’clock, hours elapsed at 6 o’clock
TAG Heuer Calibre 1887, Swiss Made. Automatic calibre. Diameter: 29.3 mm (13”’) — 39 rubies. Rapid date correction.
Balance frequency: 28.800 vibrations per hour (4 Hz).
Power reserve: about 50 hours, about 40 hours when the chronograph is engaging.
Hours — minutes — small seconds at 9. Chronograph minutes at 12 and chronograph hours at 6. Date at 6.
Oscillating mass: ‘Côtes de Genève’ engraved ‘TAG Heuer — Calibre 1887 Swiss Made’.
The article is sold “as is” – any other parts that are not mentioned in the description or shown in the photos are not included with this movement.
All the movements in our offers are service or replacement parts meant to be used by professionals for watch servicing. The movements are handled and stored in different boxes or containers, operations that may affect their accuracy. These movements are supposed to be cleaned, oiled, timed or adjusted by a professional before fully corresponding to the manufacturer specifications.