The Seiko 5 Sports Field Series x HUF SBSA323 is the third collaboration model between Seiko 5 Sports and the U.S. streetwear and lifestyle brand HUF.

Based on the current Field Series case design, this limited edition model features a skeleton dial customized with design references from Seiko’s 1970s archives. The dial incorporates HUF Green accents and the HUF logo positioned at 6 o’clock.

The caseback showcases HUF’s signature San Francisco city pattern graphic and includes laser-marked “Limited Edition” text with an individual serial number (0001/7000–7000/7000).

Limited to 7,000 pieces worldwide (1,000 for Japan domestic market).

Release Date: March 6, 2026 (Scheduled)

Key Features

• Limited Edition: 7,000 pieces worldwide

• Collaboration Model: Seiko 5 Sports × HUF

• Skeleton dial with HUF Green accents

• HUF logo at 6 o’clock and on crown

• San Francisco city graphic caseback

• Individual serial number engraving

• Special edition presentation box

• Includes limited design watch cloth

Movement Specifications

• Movement: Automatic (Caliber 4R36)

• Manual winding capability

• Accuracy: +45 / -35 seconds per day

• Power reserve: Approx. 41 hours (fully wound)

Case & Materials

• Case Material: Stainless Steel

• Caseback: Hardlex

• Crystal: Hardlex

• Bracelet: Stainless Steel

• Clasp: One-push three-fold clasp

• Magnetic Resistance: Yes

• Water Resistance: 10 bar (100 meters)

• Country of Manufacture: Japan

📏 Dimensions

Size in Millimeters

Size in Inches