Seiko 5 SSK005K1 Sports Mikan Orange GMT SKX Re-Interpretation

The Seiko 5 Sports SSK005K1 Mikan Orange GMT is a dynamic reinterpretation of the beloved SKX sports design — updated with practical dual-time functionality and vibrant orange accents inspired by “mikan,” the Japanese citrus fruit. Powered by Seiko’s reliable automatic movement with manual winding capability, this watch delivers dependable performance and an approximate 41 hours power reserve, making it ideal for everyday wear and travel.

Featuring a bold orange and black 24-hour GMT bezel, the SSK005K1 allows you to track a second time zone at a glance, while luminous hands and markers ensure easy readability in all lighting conditions. Its robust stainless steel case and bracelet, scratch-resistant Hardlex crystal, and 100 m water resistance make it as functional as it is stylish — a perfect blend of sportiness and versatility.

Automatic movement with manual winding (Seiko Caliber 4R34)

Independent GMT hand for tracking a second time zone

Eye-catching orange and black 24-hour rotating bezel

Clear dial with luminous hands and markers

Day-Date display for everyday convenience

Stainless steel case and bracelet

Hardlex crystal for scratch resistance

See-through screw case back

Three-fold clasp with push-button safety

100 m / 10 bar water resistance — suitable for swimming

Brand: Seiko

Model: SSK005K1

Collection: Seiko 5 Sports GMT

Movement Type: Automatic with manual winding

Caliber Number: 4R34

Jewels: 24

Power Reserve: Approx. 41 Hours

Functions: Hours, Minutes, Seconds, Day, Date, GMT (24-Hour Hand)

Case Material: Stainless Steel

Case Diameter: 42.5 mm

Case Thickness: ~13.6 mm

Bezel: Orange & Black 24-Hour GMT

Crystal: Hardlex Crystal

Case Back: See-Through

Dial Colour: Black

Lume: LumiBrite on Hands & Markers

Bracelet Material: Stainless Steel

Clasp Type: Three-Fold Clasp with Push-Button Lock

Water Resistance: 100 m / 10 bar

Gender: Men’s

Watch Style: Sports / GMT / Everyday

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1. Is the Seiko 5 Sports SSK005K1 an original Seiko watch?

Yes — this is a genuine automatic GMT timepiece from the Seiko 5 Sports collection.

2. Does the SSK005K1 need a battery?

No. It is powered by an automatic movement that winds with wrist motion and also supports manual winding.

3. What is the GMT function for?

The GMT hand and 24-hour bezel let you track a second time zone — ideal for travellers or business across time zones.

4. Is this watch water resistant?

Yes — it has 100 m (10 bar) water resistance, suitable for swimming, splashes, and daily use (not for diving).

5. Does it glow in the dark?

Yes — the hands and markers feature luminous LumiBrite for visibility in low light.

6. What makes this model unique?

The bold mikan orange and black GMT bezel and SKX-inspired sport styling combine classic Seiko design with modern GMT functionality.