SEIKONAUT OPEN HEART BLUE

Seiko Mod Nautilus: Stainless Steel w/ Blue Dial Open Heart

• Diameter: 41mm (excluding the crown) 
• Movement: Seiko NH35 automatic movement, 41+ hour power reserve
• Thickness: 12mm 
• Glass: Sapphire, anti-scratch with anti-reflective treatment 
• Luminova: Yes 
• Case: 904L stainless steel 
• Wrist size: 14.5cm to 22cm (adjustable) 
• Lugs: 13mm 
• Bracelet: 904L stainless steel (with butterfly-style security clasps)
• Case back: Crystal (seen movement) 
• Water resistance: 5 ATM