The Zeno-Watch Basel Nostalgia Chronograph Day-Date (Reference 98077) is a prominent aviation-themed timepiece featuring a Swiss-made mechanical heartbeat. Known for its robust proportions and clear legibility, this pilot watch combines retro aesthetics with classic tri-compax utility.

• Movement: Swiss Made Valjoux 7750 mechanical automatic chronograph caliber.

• Power Reserve: Approximately 42 to 46 hours.

• Jewels / Frequency: 25 jewels running at 28,800 vibrations per hour (vph).

• Case Dimensions: 43mm or 44mm diameter (depending on exact sub-reference housing), 14.5mm thickness.

• Case Material: Polished 316L/904L stainless steel featuring a bolted glass display case back.

• Dial: Matte black dial with luminous hands, high-contrast hour markers, and a triple sub-dial layout.

• Complications: Chronograph (hours, minutes, small seconds) and central Day-Date window located at the 3 o'clock position.

• Crystal: Domed sapphire crystal or hardened mineral glass (variant dependent).

• Water Resistance: 3 ATM to 5 ATM (up to 50 meters, splash-resistant).

• Strap: 22mm genuine black or gray leather strap secured with a classic pin buckle.