Seikomariner Black Twotone

• Case Size: 40 mm
• Case Thickness: 13 mm
• Glass: Scratch-resistant sapphire
• Wrist Size: Fits all (adjustable)
• Case Material: Stainless steel
• Strap Material: Stainless steel
  
• Bezel Material: Ceramic
• Water Resistance: 10 ATM (resistant to splashes, rain and swimming)
• Case back: Transparent

Movement Specifications:

• Manufacturer: Seiko mechanism
• Model: NH35 Automatic
• Power Reserve: 41+ hours