




Seiko 5 Sports Automatic Blue Dial Nylon Strap Watch SRPD51K2

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The Seiko 5 Sports SRPD51K2 updates the legendary SKX silhouette for contemporary daily wear. Housed in a solid 42.5 mm stainless steel case, it features a vibrant sunray blue dial paired with a matching blue unidirectional timing bezel. Powered by the reliable in-house Caliber 4R36 automatic movement—visible through an exhibition case back—it offers hand-winding and hacking functions, day-date calendar display, and generous LumiBrite illumination. Completed with a durable blue fabric NATO-style strap, this timepiece combines classic Seiko DNA with sport-casual comfort.
The Seiko 5 Sports SRPD51K2 updates the legendary SKX silhouette for contemporary daily wear. Housed in a solid 42.5 mm stainless steel case, it features a vibrant sunray blue dial paired with a matching blue unidirectional timing bezel. Powered by the reliable in-house Caliber 4R36 automatic movement—visible through an exhibition case back—it offers hand-winding and hacking functions, day-date calendar display, and generous LumiBrite illumination. Completed with a durable blue fabric NATO-style strap, this timepiece combines classic Seiko DNA with sport-casual comfort.
CASE
Case Diameter: 42.5 mm
Case Thickness: 13.4 mm
Case Length (Lug-to-Lug): 46.0 mm
Material: Stainless Steel
Crystal: Hardlex Crystal
Case Back: Display Exhibition Case Back
BAND
Material: Fabric (Nylon) Band
Lug Width: 22.0 mm
Clasp: Pin Buckle
MOVEMENT
Caliber Number / Movement: Caliber 4R36 (Automatic with Manual Winding)
Accuracy: Approximately +45 to -35 seconds per day
Power Reserve: Approximately 41 Hours
Water Resistance: 100 Meters / 10 Bar
Luminous: LumiBrite on hands and indexes
Functions: Hour, Minute, Seconds, Day and Date Display
CASE
Case Diameter: 42.5 mm
Case Thickness: 13.4 mm
Case Length (Lug-to-Lug): 46.0 mm
Material: Stainless Steel
Crystal: Hardlex Crystal
Case Back: Display Exhibition Case Back
BAND
Material: Fabric (Nylon) Band
Lug Width: 22.0 mm
Clasp: Pin Buckle
MOVEMENT
Caliber Number / Movement: Caliber 4R36 (Automatic with Manual Winding)
Accuracy: Approximately +45 to -35 seconds per day
Power Reserve: Approximately 41 Hours
Water Resistance: 100 Meters / 10 Bar
Luminous: LumiBrite on hands and indexes
Functions: Hour, Minute, Seconds, Day and Date Display
Notice to Customers:
Orders are dispatched from Singapore.
For customers in the United States:
As of August 29, 2025, all goods imported into the U.S.—regardless of their value—may incur a 10% import duty. This change follows the removal of the de minimis threshold under updated U.S. customs policies.
Please note that customers are responsible for all import duties, taxes, customs charges, and any applicable handling fees.
For information specific to your country’s customs process, including courier fees or tax-free limits, please reach out to our support team.
Notice to Customers:
Orders are dispatched from Singapore.
For customers in the United States:
As of August 29, 2025, all goods imported into the U.S.—regardless of their value—may incur a 10% import duty. This change follows the removal of the de minimis threshold under updated U.S. customs policies.
Please note that customers are responsible for all import duties, taxes, customs charges, and any applicable handling fees.
For information specific to your country’s customs process, including courier fees or tax-free limits, please reach out to our support team.
