Bulova Accutron Quartz SMQ Caliber 2562.10 Technical Bulletin

Technical service bulletin for the Bulova Accutron Quartz SMQ Caliber 2562.10 electronic watch movement — essential reference material for watchmakers and technicians servicing this precision quartz caliber. Details the 32,768 Hz quartz frequency regulation system and the bipolar stepping motor design that advances the display two steps per revolution. Explains the integrated circuit architecture and the one-impulse-per-second electronic timing cycle that governs accuracy to ±0.17 seconds per day. Covers power management, including the power disconnect system that extends battery life and the silver oxide 1.55V battery specification (Bulova 317 type). Movement dimensions are 25.60 × 3.35 mm with ligne size 11½, displaying hours, minutes, seconds, and date. Provides step-by-step battery replacement procedures and detailed crown position operation: Position 1 for normal running, Position 2 for instant calendar adjustment, and Position 3 to engage the power disconnect function. Includes frequency adjustment methodology, complete electronic function explanation, and full instructions for connecting the Bulova Service Meter #700 with required test accessories to verify movement performance. Indispensable workshop reference for maintenance, repair, and calibration work on this Accutron Quartz model.