Seiko Auto 100m - SRPB39J1
Movement: 4R36 - Automatic 24 jewels

Made in Japan
Dial colour: Orange
Case and bezel - stainless steel.
Crystal: Hardlex
Power reserve: 41 hours
21,600 vibrations per hour
Screw case back Screw-down crown
With Seiko silicon black strap

Case reference: 4R36-06B0
Case diameter: 43.8mm
Case thickness: 13.2mm

64-21051016769-TW