Dial
Sunburst orange sunset dial with combined square and dot luminous hour markers; red triangular GMT hand; date magnifier at the 3 o'clock position, printed with "GMT AUTOMATIC 3 DAYS DIVER’S 200M" on the dial.
Bezel
Unidirectional black ceramic diving bezel (standard models of the same series come with aluminum bezels, while this upgraded ceramic version offers superior scratch resistance), fitted with luminous dots for each 60-minute graduation.
Case & Bracelet Dimensions
Case diameter: 42mm, case thickness: 12.9mm, total lug-to-lug length: 48.6mm, lug width: 20mm
316L stainless steel case coated with ultra-hard scratch-resistant Diashield finish
Original three-link steel bracelet with triple-fold safety clasp and dive extension; total watch weight approx. 185g
Crystal & Case Back
Curved sapphire crystal with inner anti-reflective coating; screw-down solid engraved case back (no display window).
III. Movement Cal.6R54 (Seiko Premium Automatic GMT Movement)
Automatic and manual winding with hacking seconds function for precise time setting
24 jewels, beat rate of 21,600 vibrations per hour
72-hour power reserve (3-day extended power reserve)
Daily rate tolerance: -15 to +25 seconds
Functions: Hours, minutes, seconds, date, 24-hour GMT dual time zone
Magnetic resistance: 4800 A/m