Seiko Presage SPB449 Porter Classic Collaboration Craftsmanship Series Limited Edition Casio G-Shock Bluetooth Gravity Master GRB100GB-1A 1st-2nd place times Other: 5-second

1st-2nd place times Other: 5-second countdown auto start

Band: Solid Band

Robust Performance

Each is distinctive of the Riviera style

Seiko Presage SPB449 Porter Classic Collaboration Craftsmanship Series Limited Edition Casio G-Shock Bluetooth Gravity Master GRB100GB-1A 1st-2nd place times Other: 5-secondPorter Classic and the Presage team aimed to create a watch with a timeless design, drawing on Japanese craftsmanship and Seiko's watchmaking heritage. Mr. Katsuyuki Yoshida's strong interest in pocket watches and early 20th century Seiko designs played an important role in the project. The new creation honors the Laurel, Japan's first wristwatch, created by Seiko in 1913. It captures the simple yet distinctive dial design of the original, including