A modern re-interpretation of Seiko’s first ever diver’s watch from 1965. SPB213J1 is known as the 63MAS Modern Re-Interpretation. The wide hands and generously applied Lumibrite deliver high visibility while the screw-down crown and caseback ensure 200 meter water resistance. The watch case and back are shaped to sit easily on the wrist. A limited edition of 6,000 watches.

Movement
Caliber Number
6R35

Movement Type
Automatic

Duration
Approx. 70 hours

Exterior

Case Material
Stainless steel (super hard coating)

Crystal
Sapphire

LumiBrite
Lumibrite on hands and indexes

Clasp
Three-fold clasp with push button release

Water Resistance
200m

Case Size
Thickness: 13.2mm
Diameter: 40.5mm
Length: 46.2mm

Other Specifications
LIMITED EDITION on the case back
Screw case back
Screw-down crown
Three-fold clasp with secure lock
Unidirectional rotating bezel

Other Features
24 jewels
Date display
Stop second hand function