Large Display Stopwatch/Timer

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Large LCD for good visibility. Rugged ABS plastic case. Built-in stand. Counts to 24 hours in 1/100th second resolution for the first 30 minutes. Split interval, clock, and calenda r functions. Comes with a leatherette case and a "AA" battery. N.I.S.T. traceable Certification Report available.Dimensions: 3¾" x 2½" x ¾"Weight: 2.6 oz *Certification OptionN.I.S.T. traceable Certificate of Calibration is available at an additional cost (select option above). Downloads Instruction Manual Brochure Comparison Chart Sper Scientific Stopwatch Comparison Model 810012 810022 810029R 810033 810035A 810036A 810048 Description Water Resistant Stopwatch Large Display Stopwatch Countdown Stopwatch Large Display Water Resistant Stopwatch Decimal Display Stopwatch 100 Memory Water Resistant Stopwatch Advanced Decimal Display Stopwatch Digit Height (mm) 7 8 5 5 12 5 4 Cord Length (in) 23.5 26 25 24 22 23 23 Timing Range 24 Hours 24 Hours 10 Hours 10 Hours 20 Hours 24 Hours 20 Hours Resolution 1/100 Sec 1/100 Sec 1/100 Sec 1/100 Sec 1/100 Sec 1/100 Sec 1/100 Sec Water Resistant Yes — — Yes Yes Yes Yes Count Up Yes Yes Yes Yes Yes Yes Yes Count Down — — Yes Yes — Yes Yes Timer — — Yes Yes — Yes Yes Lap Memory — — 8 60 — 100 500 Alarm — Yes Yes Yes Yes — Yes Clock — Yes Yes Yes Yes Yes Yes Pace Setter — — Yes Yes — Yes Yes Hourly Chime Yes Yes — — Yes — Yes Calendar Yes Yes — Yes Yes Yes Yes Battery Type (1) LR44 (1) AA (1) CR2032 (1) CR2032 (1) CR2032 (1) CR2032 (1) CR2032 .sper-wrapper { max-width:1200px; margin:auto; padding:40px 20px; font-family:Arial; } .sper-header { text-align:center; margin-bottom:30px; } .sper-header h2 { font-size:28px; } .sper-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:20px; } .sper-card { border:1px solid #ddd; padding:16px; text-align:center; background:#fff; transition:0.2s; } .sper-card:hover { box-shadow:0 4px 12px rgba(0,0,0,0.1); } .sper-card img { max-width:100%; height:auto; } .sper-btn { display:inline-block; margin-top:10px; padding:10px 16px; background:#2871E8; color:#fff; text-decoration:none; } .sper-btn-large { padding:14px 24px; background:#2871E8; color:#fff; text-decoration:none; font-size:16px; } .sper-cta { text-align:center; margin-top:40px; } Show more