Seiko Presage x Mechanical Cocktail Time ft. Open Heart Men Casual Formal Round 50m Water Resistant Watch SSA407J1 SSA407 SSA-407 SSA-407J1

Caliber Number / Movement
4R38 (automatic with manual winding capacity)

Power Reserve / Accuracy
Approximately 41 hours ( 40 to -20 seconds per day)

Crystal
Hardlex crystal (curved)

LumiBrite
Nil

Case & Band Material
Stainless steel case with calfskin leather band (deployment clasp with push-button release)

Water Resistance
50m / 5 bar

Case Size
Thickness: 11.8 mm
Diameter: 40.5 mm
Length: 47.5 mm

Other Specifications
Seiko Presage x Mechanical Cocktail Time ft. Open Heart
Made in Japan
See-through case back
Screw case back
24 jewels
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)