One of the rare SEIKO models, from alarm featured Bel-Matic series: SEIKO "Bell-Matic" Saxe Blue (4006-6040) Mechanical "Alarm" Men's Automatic Watch from the year 1976. Movement: Cal. 4006A Japan - 17 Jewels Manufactured Date: June, 1976 Operating Instruction: Wind watch: only self-winding, start the watch by shaking it. Set time: pull crown fully, set time. If you set the time reverse and pass the alarm time, this will be set reverse simultaneously. Wind alarm: with pushed crown, only if the button is pushed in. Set alarm: pull crown to the first step and set alarm time. The alarm time can only be set reverse, setting forward is inhibited by a freewheel. Enable alarm: pull button. Disable alarm: push button (ranfft.de). Inner bezel with orange marker can be rotatable to set alarm through crown (you can see it at different positions in photos). Notable Features: Rare Seiko Bell-Matic Model - All Steel - Push-active Quickset Date - Buzz Alarm - Rotatable Inner Alarm Bezel Case-Size: 39.3mm (without crown) Band-Size: Fits up to approx. 20.5cm (wrist size), Lug: 22.5mm (Middle Lug: 10mm) Service: The watch was recently controlled by an experienced watchmaker before the auction. Condition: Good. Unnoticeable wear on case. Clean dial except for a few tiny unnoticeable spots on it. Crown looks replaced. Buzz alarm feature and pushed-action date function works perfectly. Please look at photos carefully to see exact condition. Accessories: Replacement SEIKO stainless steel bracelet. No box and paper. It will be sent as very-well packaged via DHL Express with the tracking code. *Delivery Times: Europe: 2-5 BD, America: 3-8 BD, Other Countries: 3-10 BD *(BD: Business Days. Delivery times are estimated and may differ (esp. in holiday seasons) because of conditions that out of our control. Customs duties are buyer's responsibility.)