Art. No. 1372 Basic information Manufacturer: Seiko Model: Sportsmatic Winding: Mechanical, automatic Lug to lug 43,5 mm Diametre excluding crown: 36,5 mm Height (highest point): 11,5 mm Strap width, Attach/Buckle: 19/16 mm Strap size, Long/Short: 120/75 mm Data Year (not validated by manufacturer): 1960 Serial no: 0373129 REF.no/Case no.: 1540D Jewels: 17 Looks and materials Strap material: Leather Strap color: Vitguld Case type: Snap back, 3 parts Case material: Gold on steel Crystal material: Acrylic Dial: Sunburst, silver Buckle material: Gold plated Movement and meassurements (meassured in 6 positions) Caliber: CAL 820 Average time deviation (sec / day): 8 Average amplitude (degrees): 238 Average beat error (ms): 2,0 Frequency (bph): 18000 Stated powerreserv*: 43 h Extended information Service, hands: Original hands** Service, case: Lightly polished Service dial: Dial in original state** Service, buckle: Buckle/Clasp not exchanged by Marcels Watch Group Service, crown: Original crown** Service, crystal: New DPA-delux Service strap/bracelet: New strap from other manufacturer Service, movement: Miniservice Accessories Service documents: Yes Certificate of authenticity: No Box: No box Certificate: No certificate Grading and assessments Color grade dial: Riverside Damage grade dial: Flawless Condition case: P-Trace Overall impression: Grade AA Warranty***: 12 months Remark: Original crown with heavy wear Other *Deviation is to be anticipated **Originalpart mounted on the watch when purchased, no guarantee that it is factory original ***Function warranty, i.e. the functions is guaranteed to work during this time given that the watch is treated within the guidelines of treatment. In the event of outer mischief, warranty is not applicable See https://www.marcelswatch.com/en/vintage-guide/ for grading information See https://www.marcelswatch.com/en/vintage-guide/ for grading information Information from official webbsite: N/A
