Cal. H024 Ana-digi Quartz movement.
Stopwatch:
Measures up to 23 hours, 59 minutes and 59.999 seconds in 1/1000-second increments.
Lap time/split time measurement
Stores the first 100 lap and split times in memory.
Two daily alarms work independently.
Fully automatic calendar from Jan. 1. 2006 to Dec. 31, 2055.
Screw-Back Case.
Stainless Steel Case and Leather strap.
Titanium Carbide Nitride Plated Bezel
Sapphire glass.
Warranty:
2 years International Warranty.
You can see Seiko SNJ021 Instruction manual (PDF)