Basic Specifications and Movement Model Number Brand/Model: Citizen Promaster Aqualand (Case Number): C022-088093 Caliber (Cal.): C022 (Quartz, Analog & Digital Combination) Time Accuracy: Average monthly deviation within ±15 seconds (at room temperature) Operating Temperature Range: -10°C to +60°C Batteries: 3 batteries (SR920W × 3) *Since power is supplied to the digital, analog, and sensor components separately, all three batteries are consumed simultaneously. Battery Life: Approximately 2 years (under normal usage conditions) Diving Functions (Depth Gauge & Alarms): Equipped with numerous electronic measurement and warning alarm functions that were groundbreaking for the 1980s and 1990s. Depth Measurement Range: 0.1 m to 80.0 m (digital display in 0.1 m increments) Dive Time Measurement: Up to 99 minutes 59 seconds (in 1-second increments) Memory Functions (LOG Data Storage): Maximum Depth Log (allows you to recall the maximum depth of a dive after it is completed), Dive Time Log Safety warning alarms (beep and flashing digital display): Depth alarm: An alarm sounds when a preset depth is reached Dive Time Alarm: An alarm sounds when the preset dive time is reached Ascent Rate Warning (Abnormal Ascent Alarm): A warning sound sounds if the diver ascends rapidly at a rate of 18 m or more per minute Low Battery Warning (Battery Indicator): When the battery level is low, a warning is given via the digital display and the second hand (which moves every 2 seconds) Case and Design Case Material: Stainless steel (Case back: Screw-down) Case Size: Width: Approx. 50.5 mm (including the sensor protrusion at the 9 o’clock position and the crown at the 3 o’clock position) Thickness: Approx. 14 mm Crystal: Crystal glass Bezel: Unidirectional rotating bezel (register ring, luminescent capsule at the 12 o’clock position) Crown: Screw-down locking crown (positioned at the 4 o’clock position, designed not to interfere with wrist movement) Luminescence: Hands and hour markers (high-brightness luminescent paint from that era) ※The belt has been replaced with a brand-new aftermarket belt. "IMPORTANT" Customs and taxes: Your country of residence may apply additional customs duties and import taxes. Please check the laws of your country before bidding. We cannot be held responsible for any expenses incurred for importing items into the purchaser's country of residence. If the winning bidder decides to cancel or withdraw, they will bear all risks, shipping costs, and return import duties.