Seiko 6309-8300 Weekdater from November 1978 in superb condition. Original bracelet & Clasp. Beautiful dark blue dial in very close to mint condition. This watch is in truly remarkable condition for it's age, looks more like 2018 than 1978! Not serviced but test worn for 24 hours and keeping excellent time. It's very unusual to find a watch of this age in such good condition.
Movement: Original SEIKO Cal. 6309A, super clean, screw heads pristine
Dial: Super clean dark blue dial, as close to mint as you can get for a 42 year old watch
Glass: Good, original, polished acrylic
Hands: Original, excellent
Case: Original, unpolished stainless steel, only very minor age related wear and retaining very sharp lines
Case-Back: Original screw down, well defined markings
Crown: Well fitted, recessed at 3 o'clock. Working Quickset for day and date, Sunday in red
Jewels: 17
Beat Rate: 21,600bph
Diameter: Approx. 37.5mm
Lug width: 19mm
Band: Original Seiko stainless steel bracelet & clasp, will fit up to 19.5cm wrist
Year and location of manufacture: November 1978 Serial No. 8N8445
Not serviced or guaranteed waterproof