Eterna Trench Watch – 33mm | Rare AS 534 Caliber | Military Dial A characterful trench watch reflecting the military aesthetics of the early 20th century. With a 33 mm case diameter, it offers period-correct proportions and an elegant, balanced presence on the wrist. At its heart lies a rare A. Schild (AS) 534 caliber mechanical movement, distinguished by its engraved details and classic construction. This uncommon caliber is seldom encountered today, adding a notable element of collectability. The movement is in working condition, providing an authentic hand-wound vintage experience. The watch features a military-style dial with a 24-hour inner track, bold Arabic numerals, and a subsidiary seconds register at 6 o’clock. The classic military-style hour and minute hands enhance its strong vintage identity and period appeal. It is paired with a black buffalo leather strap, appreciated for its durability, natural texture, and comfortable wrist presence, complementing the watch’s historic character with refined wearability. Key Features: 33 mm case diameter (excluding crown) Rare A. Schild AS 534 caliber mechanical movement Engraved movement details Military-style dial 24-hour inner track Sub-seconds at 6 o’clock Classic military-style hands Black buffalo leather strap In working condition A distinctive piece for collectors seeking uncommon calibers, military-era aesthetics, and timeless trench watch design.