The Aquanaut Mod - RED is a sports-luxury Seiko mod inspired by one of the most coveted watch silhouettes ever designed. The Red dial and integrated bracelet give this Seiko mod an instantly recognizable profile — elegant enough for a formal dinner, robust enough for daily wear. Inside is the NH35 automatic movement — 24 jewels, 41-hour power reserve, date at 3 o'clock. The Nautilus-inspired case is crafted entirely from 904L stainless steel. Movement: NH35 Automatic — 24 jewels, 41hr power reserve Case material: 904L stainless steel Crystal: Sapphire with anti-reflective coating Bezel: Octagonal integrated design Bracelet: Integrated 904L stainless steel Case size: 39mm Date display: 3 o'clock Water resistance: 10 ATM Free worldwide shipping