Seiko SSB446P1

The Seiko Discover More Chronograph (SSB446P1) is a striking, sports-driven timepiece that seamlessly blends athletic functionality with a bold, luxurious aesthetic. Measuring 43.0 mm in diameter with a refined 11.6 mm profile, the watch commands attention with its vibrant yellow gold-tone stainless steel case. The dynamic black dial serves as a high-contrast backdrop for three well-proportioned sub-dials, framed by a fixed gold-tone bezel featuring an engraved tachymeter scale. Complemented by matching gold-tone hour markers and hands treated with Seiko’s brilliant LumiBrite, the dial offers exceptional legibility and a sophisticated, high-performance look.

Driven by Seiko’s reliable in-house caliber 8T63 quartz movement, the SSB446P1 goes beyond basic timekeeping, offering a 24-hour indicator, a practical date display at the 4:30 position, and a highly capable chronograph that measures elapsed time up to 60 minutes in precise 1/5-second increments. Engineered for resilience, the watch features a premium scratch-resistant sapphire crystal and a solid screw-down case back, providing a robust water resistance rating of 100 meters (10 atm) suitable for swimming and everyday wear. It is seamlessly paired with a flexible, durable black silicone strap secured by a matching gold-tone pin buckle, ensuring supreme comfort during both active pursuits and casual outings.

Basic Information

Reference: SSB446P1
Collection: Discover More / Sport Chronograph
Case Dimensions: 43.0 mm (Lug-to-lug: 50.4 mm)
Case Thickness: 11.6 mm
Case Material: Stainless steel (Yellow gold-tone finish)
Water Resistance: 100 meters / 10 atm
Movement Type: Quartz (Caliber 8T63)

Movement & Features

Functions: Hours, minutes, small seconds, 24-hour indicator, date, chronograph
Special Features: Chronograph (up to 60 minutes in 1/5-second increments), Tachymeter scale bezel, LumiBrite on hands and indices, Screw case back, 3-year battery life

Exterior

Crystal: Sapphire crystal
Dial Colour: Black with gold-tone accents
Band Material: Silicone
Band Colour: Black
Clasp Type: Pin buckle