Movement: Seagull ST1901 hand-wound column-wheel chronograph

21 jewels, 21,600 vph (3 Hz), ~45–50‑hour power reserve

Case: 38 mm stainless steel (brushed/polished)

Thickness: 13.5 mm (including domed sapphire crystal)

Lug-to-Lug: 46 mm

Lug Width: 20 mm

Crystal: Domed sapphire with retro distortion

Caseback: Exhibition sapphire

Water Resistance: 50 meters (5 ATM)

Dial:

Pink–turquoise gradient with Eastern Arabic numerals

Sandwich dial construction

Bi‑compax layout (small seconds at 9, 30‑minute counter at 3)

Hands & Markers: Lumed syringe-style hands, open-worked chronograph seconds hand

Bracelet: 3-link stainless steel with quick-release spring bars and tool-free micro-adjust clasp

The Batavi Marina Chronograaf Night captures summer's first light in a bold chronograph design. Featuring a vibrant white dial, tachymeter bezel, and reliable ST 1901 Seagull is a 23 jewel, column wheel, chronograph, operating at 3 Hz (21,600 vph), it’s built for those who move fast, and look good doing it.