Art. No.	1222
Basic information
Manufacturer:	Longines
Model:	6426
Winding:	Mechanical, manual wind
Lug to lug	44 mm
Diametre excluding crown:	35 mm
Height (highest point):	12 mm
Strap width, Attach/Buckle:	18/16 mm
Strap size, Long/Short:	120/75 mm
Data
Year (not validated by manufacturer):	1952
Serial no:	8599333
REF.no/Case no.:	6426 - 3 12
Jewels:	17
Looks and materials
Strap material:	Leather
Strap color:	Brown
Case type:	Screw down case, 3 parts
Case material:	Gold on steel
Crystal material:	Acrylic
Dial:	Champagne
Buckle material:	Gold plated
Movement and meassurements (meassured in 6 positions)
Caliber:	CAL 12.68ZS
Average time deviation (sec / day):	3
Average amplitude (degrees):	282
Average beat error (ms):	0,6
Frequency (bph):	18000
Stated powerreserv*:	41 h
Extended information
Service, hands:	Original hands**
Service, case:	Cleansed case in original state**
Service dial:	Dial in original state**
Service, buckle:	Buckle/Clasp not exchanged by Marcels Watch Group
Service, crown:	Used crown from other manufacturer
Service, crystal:	New DPA-delux
Service strap/bracelet:	New strap from other manufacturer
Service, movement:	Miniservice
Accessories
Service documents:	Yes
Appraisal:	No
Box:	No box
Certificate:	Certificate from Marcels Watch Group
Grading and assessments
Color grade dial:	Faint
Damage grade dial:	VSD1
Condition case:	NP-Surface-P
Overall impression:	Grade A
Warranty***:	12 months
Remark:	N/A
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