VINTAGE 1968 GRAND SEIKO

Basic information
Brand: Grand Seiko
Model: Hi-Beat Date
Reference number: 4522-8000
Year of construction: 1968

Physical specifications
Case diameter (without crown): 36 mm
Case material: Stainless steel
Strap material and type: Black leather two-piece strap
Glass: Not specified (probably originally hardlex or mineral glass)
Water Resistance: Not specified (probably not waterproof on vintage watches)

Clockwork and functions
Caliber / movement: Mechanical hand-wound (Hi-Beat)
Complications: Date display, 12-hour dial
Service history: Not specified

Condition
General condition: Second-hand, good vintage condition
Specific wear: Normal signs of wear consistent with age, see photos for details.
Originality: Completely original, no modifications reported
Is the watch working properly?: Yes (according to the seller)

Scope of delivery
Comes with: No original box or papers
Accessories: None