Seiko 5 Sports GMT Automatic – SSK001K1

The Seiko 5 Sports GMT Automatic SSK001K1 reinterprets one of Seiko’s most beloved sport-watch designs with modern travel-ready functionality. Inspired by the legendary SKX series, this robust timepiece features a bold black dial paired with a red GMT hand, allowing effortless tracking of a second time zone. Generous LumiBrite on the hands, indexes, and GMT indicator ensures excellent visibility in low-light conditions, while the bi-color 24-hour rotating bezel clearly distinguishes day and night hours. Powered by Seiko’s reliable automatic GMT movement, this watch combines durability, versatility, and everyday wearability in a design that feels both classic and contemporary. Finished with a newly designed five-row stainless steel bracelet, the SSK001K1 delivers the unmistakable Seiko tool-watch character enthusiasts know and trust.

Specifications
General

• Brand: Seiko
• Collection: Seiko 5 Sports GMT
• Model / Reference: SSK001K1
• Gender: Men
• Watch Type: Sport / GMT
• Weight: 161 g
• Water Resistance: 100 m / 10 bar

Case & Crystal

• Case Material: Stainless steel
• Case Shape: Round
• Case Diameter: 42.5 mm
• Case Thickness: 13.6 mm
• Lug-to-Lug: 46.0 mm
• Lug Width: 22 mm
• Bezel: Bi-color rotating 24-hour bezel with Hardlex insert
• Crystal: Hardlex glass with lens
• Caseback: See-through screw-down caseback

Movement

• Caliber: Seiko 4R34
• Type: Automatic with manual winding
• Jewels: 24
• Power Reserve: Approx. 41 hours

Functions:

• Hours, Minutes, Seconds
• GMT 24-hour hand (dual time display)
• Stop-seconds (hacking) function

Dial

• Dial Color: Black
• Markers: Applied indexes
• Hands: Luminous hands with red GMT hand
• Lume: LumiBrite on hands, indexes, and GMT hand

Bracelet

• Material: Stainless steel
• Design: Five-row bracelet inspired by the original SKX
• Clasp: Three-fold clasp with push-button release and secure lock