Essential details
Shipping:Express Delivery
Product Introduction
Dial
Solid black sunburst dial with square-and-dot composite luminous hour markers; gold 24-hour GMT hand tipped with a red dot; hour/minute hands and bezel markings fully coated with LumiBrite luminous material; date window at the 3 o'clock position, printed text "GMT AUTOMATIC 3 DAYS DIVER’S 200M" on the dial.
Bezel
Unidirectional rotating black ceramic dive bezel with high wear and scratch resistance, differing from the aluminum bezel fitted on standard SPB185/187 models.
Case & Bracelet Dimensions
Case diameter: 42mm, case thickness: 12.9mm, total lug-to-lug length: 48.6mm, lug width: 20mm
316L stainless steel case and bracelet treated with ultra-hard scratch-resistant Diashield coating
Triple-fold safety clasp with dive extension link; total watch weight: 176g
Crystal & Case Back
Curved sapphire crystal with inner anti-reflective coating; screw-down solid steel case back; screw-lock non-slip crown.
III. Movement Cal.6R54 (Seiko High-End Automatic GMT Movement)
Automatic and manual winding with hacking seconds function
24 jewels, beat rate of 21,600 vibrations per hour
72-hour power reserve (3-day extended power reserve)
Standard daily rate tolerance: -15 to +25 seconds
Core functions: hours, minutes, seconds, date, independently adjustable 24-hour GMT dual time zone
Anti-magnetic rating: 4800 A/m
Solid black sunburst dial with square-and-dot composite luminous hour markers; gold 24-hour GMT hand tipped with a red dot; hour/minute hands and bezel markings fully coated with LumiBrite luminous material; date window at the 3 o'clock position, printed text "GMT AUTOMATIC 3 DAYS DIVER’S 200M" on the dial.
Bezel
Unidirectional rotating black ceramic dive bezel with high wear and scratch resistance, differing from the aluminum bezel fitted on standard SPB185/187 models.
Case & Bracelet Dimensions
Case diameter: 42mm, case thickness: 12.9mm, total lug-to-lug length: 48.6mm, lug width: 20mm
316L stainless steel case and bracelet treated with ultra-hard scratch-resistant Diashield coating
Triple-fold safety clasp with dive extension link; total watch weight: 176g
Crystal & Case Back
Curved sapphire crystal with inner anti-reflective coating; screw-down solid steel case back; screw-lock non-slip crown.
III. Movement Cal.6R54 (Seiko High-End Automatic GMT Movement)
Automatic and manual winding with hacking seconds function
24 jewels, beat rate of 21,600 vibrations per hour
72-hour power reserve (3-day extended power reserve)
Standard daily rate tolerance: -15 to +25 seconds
Core functions: hours, minutes, seconds, date, independently adjustable 24-hour GMT dual time zone
Anti-magnetic rating: 4800 A/m