Specification Details
Gender Men
Movement Quartz
Caliber 8T63
Accuracy ±15 seconds per month
Battery Life Approximately 3 years
Case Material Stainless steel (hard coating)
Case Size Thickness: 12.3 mm
Diameter: 41.0 mm
Lug-to-lug: 48.0 mm
Case Shape Round
Dial Color Black
Water Resistance 10 bar (100 meters)
Clasp Three-fold clasp with push button release
Crystal Hardlex
Functions – 24-hour hand
– Small seconds hand
– Chronograph up to 60 minutes in 1/5 second increments
– Date display
Band Material Stainless steel (hard coating)
Band Color Black
Other Features – LumiBrite on hands and indices
– Screw case back

The Seiko SSB399 is a striking chronograph that blends sportiness with precision. Inspired by motorsport timepieces, it features a stainless steel case and a scratch-resistant Hardlex crystal, ensuring durability and clarity. The black dial with bold sub-dials and a tachymeter bezel enhances its dynamic appeal.

Powered by the 8T63 quartz movement, it offers 1/5-second chronograph timing up to 60 minutes, a 24-hour sub-dial, and a date display for everyday practicality. The LumiBrite-coated hands and indices ensure easy readability in low-light conditions, while the screw case back provides 10-bar (100m) water resistance.

Secured with a black stainless steel bracelet and a three-fold clasp with push-button release, the SSB399 embodies Seiko?s legacy of craftsmanship, making it a reliable and stylish choice for any occasion.