One of the rare case of SEIKO from SEIKO 6139 chronograph models: SEIKO "Hexagon" (6139-7080) Chronograph Men's Automatic Watch from the year 1975. Perfect opportunity for SEIKO collectors and lovers. Movement: Cal. 6139B Japan - 17 Jewels Operating Instruction: Upper button starts and stops sweep second for chronograph and lower button reset it. Pushing crown sets sate quickly and pushing crown deeper sets day & date together quickly. Notable Features: All Steel - Automatic Chronograph - Quickset Day & Date - Chronograph - Unusual Hexagon Case - Rare Model Case Size: 39.8mm (without crown) x 42.1mm (lug-to-lug) Band-Size: Fits up to approx. 20.5-21cm (wrist size), Middle Lug: 10mm/22.5mm Condition: Good. Case and bracelet band has tiny visible signs of wear. Case back has visible scratches. Dial has little spots (esp. between 1-2) that don't affect overall looking. Replaced glass, repainted big second hand. Accessories: Its original SEIKO bracelet band as seen in the pictures. No box and paper. It will be sent as very-well packaged via Express Courier (UPS, DHL or TNT) with the tracking code. *Delivery Times: Europe: 2-5 BD, America: 3-8 B-D, 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.)