CITIZEN NJ0150-81A

The Citizen NJ0150-81A, part of the popular "Tsuyosa" collection, is an automatic watch known for its integrated stainless steel bracelet and scratch-resistant sapphire crystal. It is a versatile, modern timepiece suitable for both dress and sport wear. 
 

• Movement: Automatic (self-winding) mechanical, Caliber 8210, Japan Made
• Jewels: 21
• Beat Rate: 21,600 vibrations per hour (vph)
• Power Reserve: Approximately 40-42 hours when fully wound
• Accuracy: Factory rated range of -20 to +40 seconds per day
• Case Material: Stainless Steel (silver-tone finish)
• Case Size: 40 mm diameter
• Case Thickness: 11.7 mm
• Lug-to-Lug: Approximately 45 mm
• Dial Color: White, with a sunray-brushed finish
• Crystal (Glass): Sapphire Crystal (scratch-resistant and anti-reflective coating)
• Strap Material: Stainless Steel integrated bracelet
• Clasp: Fold-over clasp with push-button release
• Water Resistance: 50 meters (5 bar / 165 feet), suitable for daily wear and minor water exposure like splashes, but not swimming
• Weight: 138 grams
• Crown: Pull/Push crown, positioned at 4 o'clock
• Case Back: See-through exhibition case back (mineral glass) 

• Date Display: Date window at the 3 o'clock position.
• Cyclops Magnifier: A magnifier is integrated into the sapphire crystal over the date window.
• Luminescence: Luminous material on hands and hour indices for low-light visibility.
• Hacking Seconds: The movement supports hacking, meaning the second hand stops when setting the time for precise synchronization.
• Manual Winding: The watch can be manually wound using the crown, in addition to automatic winding via wrist motion.