A popular SEIKO diver's model, the Third Diver 6306-7001 (made in Japan). This model was manufactured in the late 1970s and features the domestic specification **6306 movement (with hacking function)**. It is still highly sought after by collectors and is a rare vintage item. 【Product Details】 ・Brand: SEIKO (Seiko) ・Model Name: Third Diver ・Model Number: 6306-7001 ・Movement: Automatic (Cal.6306A) ・Water Resistance: 150m (as stated at the time) ・Case Size: Approximately 44mm (excluding the crown) ・Crystal: Hardlex ・Calendar: Day/Date display (English/Japanese) ・Country of Origin: JAPAN (Domestic specification model) 【Operating Status】 ・Currently, the automatic winding is confirmed to be working. ・Time, date, and day of the week can be changed by operating the crown. ※ Accuracy and power reserve have not been measured, so it will be sold as is. 【Exterior Condition】 ・There are scratches from use and aging on the crystal, bezel, and case. ・There are signs of aging (yellowing, stains, etc.) on the dial and hands. ・The strap is the original vintage urethane strap GL831 22mm. This is a rare strap from the 1980s. The keeper is missing. ・Overall, it retains a vintage feel. 【Additional Notes】 ・Overhaul history is unknown. ・Water resistance cannot be guaranteed due to aging. ・Please purchase only if you understand vintage items. 【Accessories】 ・Body only (no box or warranty) ※ Everything in the photos is included. 【Remarks】 The 6306-7001, along with the overseas specification 6309-7040, is one of the most popular models in Seiko diver's history. The domestic Japanese specification with the hacking function was produced in small numbers, making it very valuable as a collector's item.