The Seiko SSB405 is a precision-engineered men's chronograph powered by the reliable caliber 8T63 quartz movement.

It features a 41.0mm stainless steel case with a durable Hardlex crystal, screw case back, and 10 bar water resistance suitable for daily wear.

Functional dial layout includes a 60-minute chronograph in 1/5-second increments, a 24-hour subdial, small seconds hand, and date display.

Brand	Seiko
Model Number	SSB405
Gender	Men's
Movement Type	Quartz
Caliber Number	8T63
Precision	±15 seconds per month
Battery Life	Approx. 3 years
Case Diameter	41.0 mm
Case Thickness	12.3 mm
Lug-to-Lug	48.0 mm
Distance Between Lugs	22 mm
Crystal	Hardlex
Clasp	Three-fold clasp with push button release
Water Resistance	10 bar
Weight	152 g
Case Back	Screw case back
Chronograph Function	Up to 60 minutes in 1/5 second increments
Subdials	24-hour hand, small seconds hand
Calendar	Date display

What movement powers the Seiko SSB405?

It is powered by the Seiko caliber 8T63 quartz movement.

What is the battery life of this watch?

The battery provides an approximate lifespan of 3 years.

What are the dimensions of the case?

The case measures 41.0 mm in diameter, 12.3 mm in thickness, and 48.0 mm lug-to-lug.

What level of water resistance does the watch have?

It features a water resistance rating of 10 bar.

What functions does the chronograph offer?

The chronograph measures up to 60 minutes in 1/5-second increments and includes a 24-hour display and small seconds hand.

What type of crystal is fitted on the dial?

The watch is equipped with a Hardlex crystal.

Seiko Quartz Men's Watch