Commemorating Seiko's 145th anniversary, the Seiko 5 Sports HDB003K1 is a limited-edition men's timepiece inspired by the classic SKX series. It features a striking Edo-purple dial accented with gold-toned branding and is housed in a durable stainless steel case with a matching bracelet.

The watch is powered by the Calibre 4R36 automatic movement, offering manual winding, a 41-hour power reserve, and a day-and-date display. A curved Hardlex crystal and a unidirectional rotating bezel provide functional durability for everyday wear.

Built with 100-metre water resistance, LumiBrite hands and markers, and an exhibition screw-down case back, this model is strictly limited to 9,999 pieces worldwide.

Key Features

Brand	Seiko
Collection	Seiko 5 Sports SKX Series
Model Number	HDB003K1
Department	Men's
Movement	Automatic, Calibre 4R36
Power Reserve	Approximately 41 hours
Dial Colour	Edo purple
Case Material	Stainless steel
Case Colour	Silver
Bracelet Material	Stainless steel
Crystal	Curved Hardlex
Case Diameter	42.5 mm
Case Thickness	13.9 mm
Water Resistance	100 m / 10 bar
Functions	Day, date and stop-seconds function
Bezel	Unidirectional rotating bezel
Luminescence	LumiBrite hands and hour markers
Case Back	Transparent, screw-down
Edition	Limited edition of 9,999 pieces

Highlights

Commemorative 145th Anniversary limited edition of 9,999 pieces worldwide
Seiko Calibre 4R36 automatic movement with approximately 41 hours of power reserve
Striking Edo-purple dial inspired by the iconic SKX series
Stainless steel case and bracelet with curved Hardlex crystal
100-metre water resistance with LumiBrite hands and markers

Frequently asked questions

What movement powers the Seiko HDB003K1?

It is powered by the Seiko Calibre 4R36 automatic movement with manual winding capability.

What is the power reserve of this watch?

The Calibre 4R36 movement provides a power reserve of approximately 41 hours.

How many pieces were produced for this limited edition?

This 145th Anniversary model is strictly limited to 9,999 pieces worldwide.

What is the water resistance rating of the watch?

The watch features a water resistance rating of 100 metres (10 bar).

What type of crystal covers the dial?

The dial is protected by a curved Hardlex crystal.

What are the case dimensions of the Seiko HDB003K1?

The stainless steel case measures 42.5 mm in diameter and 13.9 mm in thickness.

Seiko 5 Sports SKX Purple Dial Automatic Men's Watch