U-Boat Left Hook – Automatic – Black Dial – 53 mm – Full Set A commanding timepiece with unmistakable character, this U-Boat Left Hook combines a substantial stainless-steel case with a bold black dial and distinctive left-side crown. Its oversized luminous numerals, broad hands and exhibition case back bring together instrument-inspired design and Swiss automatic mechanics. Supplied with its original box and papers, this example offers a striking presence complemented by a warm brown leather strap and original U-Boat deployant clasp. Technical Details Brand: U-Boat Model: Left Hook Automatic Case: Stainless steel Diameter: 53 mm, excluding the crown Crystal: Mineral glass Dial: Black dial with oversized luminous Arabic numerals at 12, 4 and 8, complemented by luminous baton hour markers Hands: Broad silver-tone hour and minute hands with a slender central seconds hand Movement: Swiss automatic mechanical movement Functions: Hours, minutes, central seconds and date Calendar: Date aperture positioned at 3 o’clock Crown: Oversized crown positioned on the left side, with an attached retaining assembly Case back: Exhibition back displaying the movement and signed U-Boat automatic rotor Water resistance: Rated to 100 metres / 10 ATM, but not tested Strap: Generic brown leather strap with contrasting light stitching Clasp: Original U-Boat deployant clasp Wrist size: Suitable for a wrist of up to approximately 22 cm Accessories: Full set comprising the original box and papers, including an instruction manual Condition Report Grade B+ – Very good condition, with fine traces of normal wear. The stainless-steel case presents light surface scratches and small marks, including around the bezel, lugs and case-back edges. The original deployant clasp also shows traces of use. The brown leather strap displays some creasing and wear around the fastening holes. The black dial, bold luminous markers and broad hands retain a highly attractive appearance. The exhibition case back provides a clear view of the automatic movement. Please examine the photographs carefully, as they form an essential part of the condition description. Although rated to 100 metres, water resistance has not been tested. Contact with water should therefore be avoided unless the watch is professionally pressure-tested and resealed. Story & Heritage The Left Hook expresses its personality through scale, contrast and an unconventional silhouette. Its oversized crown on the left side gives the case a distinctive profile, while the broad steel bezel frames a dial designed around immediate visual impact. Against the black background, the large luminous numerals and elongated markers create a powerful composition. The unusual arrangement of 12, 4 and 8 gives the dial its own rhythm, balanced by broad hands and a discreet date window. Each element contributes to the watch’s purposeful, instrument-like character. Turn the watch over and the industrial exterior gives way to the finer detail of its Swiss automatic movement. The signed rotor is visible through the exhibition back, adding mechanical interest to a watch whose front is deliberately bold and uncluttered. The textured brown leather strap introduces warmth alongside the cool steel case, with contrasting stitching completing the look. Accompanied by its original box and papers, this U-Boat Left Hook is an appealing choice for an enthusiast who appreciates substantial proportions, expressive design and the enduring attraction of automatic watchmaking. Internal Reference Number - ITM 1142