Prospex SPB517J1 Mechanical Datsun 240Z Limited Edition [PRE-ORDER]
Description
Limited Edition of 2,500 pieces

The Seiko Prospex SPB517J1 Datsun 240Z Limited Edition blends vintage inspiration with modern precision. It features the 6R55 automatic movement with a 72-hour power reserve and 24 jewels.
The stainless steel case (39.5mm diameter, 12mm thick) is paired with a curved sapphire crystal and a cow leather strap. Water-resistant to 20 bar and resistant to magnetic fields up to 4,800 A/m, it’s lightweight at 86g.
Each piece is individually numbered with “LIMITED EDITION” engraved on the screw-down case back—making it a true collector’s item.
Movement
Caliber Number
6R55
Movement Type
Automatic with manual winding
Precision
+25 to -15 seconds per day
Power reserve
Approx. 72 hours(3 days)
Jewels
24
Functions
- Stop second hand function
Case/Band
Case Material
Stainless steel (super hard coating)
Case Size
Thickness:12.0mm
Diameter:39.5mm
Lug-to-lug:44.5mm
Crystal
Curved sapphire crystal
Crystal Coating
Anti-reflective coating on inner surface
Band Material
Cow leather
Clasp
Three-fold clasp with push button release
Bracelet Length
185.0
Distance between lugs
20
Other Details
Water Resistance
20 bar
Magnetic Resistance
4,800 A/m
Weight
86.0
Features
- LIMITED EDITION on the case back
- Serial number engraved on the case back
- Screw case back