Citizen Collection automatic watch NP1014-77E JDM 39mm sapphire crystal 100m WR steel strap. Limited Edition ‘Made in Japan’ for the JDM (Japan domestic market). Type: NP1014-77E Caliber 4197 Mechanical (self-winding + manual winding) Accuracy: -20 to +40 seconds/day Autonomy: Approximately 40 hours (at maximum winding) Weight: 137g Thickness: 11.2mm Case size: Width 38.9mm Case material: stainless steel Case surface treatment: partially plated (pink gold color) Band material/type: stainless steel - tri-fold push type Bandwidth: 20.0mm Band adjustable size: 128～196mm Glass: sapphire glass Waterproof performance: 10 ATM water resistant Design features: partial skeleton 7 o'clock position - ‘open Heart’. Frequency: 21,600 times/hour Number of Ruby’s : 21 stones Country of origin: Japan