Common Quartz Movements Accuracy Compared - Miyota, Ronda, Seiko, Eco-Drive and mroe

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Are all quartz movements the same? Here I compare movements from Seiko, Miyota, Citizen, Bulova, Ronda, Timex and an unknown Chinese digital to see how accurate various commonly used quartz movements are.

Links to purchase watches and full reviews of featured watches:
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Spinnaker Hull Chrono
For 15% OFF USE CODE: DAVIR4
http://www.spinnaker-watches.com/jtw
REVIEW:    • Spinnaker Hull Chronograph: Awesome L...  
Seiko VK73 Mecha Quartz
Total 1 Month Deviation: 0.5

Citizen Nighthawk
https://amzn.to/2q9w1wr
REVIEW:    • Citizen Night Hawk BJ7000-52E Watch R...  
Eco Drive
Total 1 Month Deviation: 2.4

Bulova Lunar Pilot
https://amzn.to/2VFiKYe
REVIEW:    • Bulova Lunar Pilot Review - The Best ...  
262 khz Ultra High Frequency (UHF) Quartz
Total 1 Month Deviation: 2.5

Casio F-91W(Assume the best)
REVIEW:    • Casio F-91W Digital Watch Review - ba...  
https://amzn.to/2IGEvRR
Total 1 Month Deviation: -2.8

Jack Mason
https://amzn.to/3167YeE
Miyota 2315
Total 1 Month Deviation: 3.5

Mileneal Prestige
https://mileneal.com/
REVIEW:    • Mileneal Prestige Review - A great MV...  
Rhonda 705
Total 1 Month Deviation: 8.7

Timex Weekender
https://amzn.to/35rfTGF
REVIEW:    • Timex Weekender 40mm (Oversize) revie...  
Total 1 Month Deviation: -9.9

Casio F-91W
Assumiung the worst
Total 1 Month Deviation: 16.2

Daiso 100 Yen digital
Total 1 Month Deviation: 106.3