Can you use this for a 5k race with 100 runners?

I use it for distance events at track meets. I have only done approximately 35 at a time, but you should be fine I would think.

What replacement paper do you need?

I bought the recommended watch / paper combo and the paper that I purchased is too large for the watch. I have yet to find the paper that is label S-950 as recommended on line and in the product manual.

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SEIKO

Product ID: 15437022

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Details

Color
[Inf] Silver
Brand
SEIKO
Item Weight
0.89 Pounds
Number of settings
5
UPC
845806056376

📊Split/lap time measurement

⏱️300 lap memory capacity

🖨️13-digit high-speed printing

Description

⏱️ Print your victory in every split—Seiko Stopwatch, where precision meets performance!

PRECISION PRINTING - Prints clear 13-digit lines at 1.5 lines per second for instant results.
BUILT FOR ENDURANCE - Measures up to 10 hours with 1/100 second accuracy—never miss a beat.
CRYSTAL CLEAR DISPLAY - Large 3-row display panel for easy, on-the-go time reading.
UNMATCHED MEMORY POWER - Store and recall up to 300 split/lap times effortlessly.
EVENT SPECIFIC TRACKING - Memory segregated by event ensures flawless multi-event management.

The Seiko Timers 300 Lap Memory Stopwatch with Printer System is a professional-grade timing device featuring a massive 300 split/lap memory, high-speed 13-digit printing, and event-segregated memory. It offers split/lap time measurement with 1/100 second accuracy over 10 hours, a large 3-row display, and automatic calendar printouts, making it the ultimate tool for athletes and coaches demanding precision and reliability.

Specifications

Color	[Inf] Silver
Brand	SEIKO
Item Weight	0.89 Pounds
Number of settings	5
UPC	845806056376
Manufacturer	Craig Enterprises Inc
Item Package Dimensions L x W x H	9.33 x 6.73 x 1.89 inches
Package Weight	0.56 Kilograms
Brand Name	SEIKO
Model Name	S149 STOPWATCH
Suggested Users	unisex-adult unisex-child mens womens
Part Number	S149

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€ 867.94

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