- U-51 & U-52 - U-Boat U-51 Green D (UB-670)
Official Authorised Agent
U-51 Green, automatic mechanical movement, chronograph personalized to U-Boat
specifications for date display and stem to be positioned at 9 o'clock.
Frequency 28.800 vibrations per hour, 4 Hz. Power reserve 44 hours. 25 jewels.
Height 7 mm. Decoration Top Soigné with black screws, rhodium plated. FUNCTIONS
Hours, minutes, chronograph, counter small seconds at 3, counter 12 at 12,
counter 30 minutes at 6. Date window at 9 o'clock. CASE AISI 316 plus stainless
steel.Diameter 51.00mm, and 59.60 mm diameter including external crown-clutter.
The bezel and the back of the case are locked together by external tubing and a
customized key that ensures absolute water-proofing. DIAL There are 2
superimposed dials, one, treated with superluminova and the other one cut with
composed black paints; hands treated with superluminova. CRYSTAL Flat sapphire
glass STRAP Rubber with alligator inset.
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