A first-generation, discontinued Seiko Prospex SRP231 Baby Tuna in a 44mm stainless steel case with black ion-plated shroud and bezel. It features Caliber 4R36 with automatic hacking features and Kanji day-date at 3 o'clock.

• Condition: Used, works perfectly
• Case diameter: 44mm
• Thickness: 14mm
• Crystal type: Hardlex