What is the key difference between Seiko 4R36 and Miyota 8215?

Seiko 4R36 and Miyota 8215 differ across fundamental engineering, material, or astrophysical parameters cataloged in the GemsMakers Open Scientific Datasets. View the complete side-by-side empirical metrics and delta analysis on this page.

Where can I calculate formulas for Seiko 4R36 and Miyota 8215?

Interactive formula solvers and calculators are freely available on GemsMakers.com, complete with free REST API endpoints and open CSV/JSON dataset downloads.

Watch Movements

Seiko 4R36 vs Miyota 8215

Empirical head-to-head comparison table, delta analysis, and interactive formula calculators.

Seiko 4R36

Manufacturer	Seiko
Country	Japan
Beat Rate BPH	21600
Frequency Hz	3
Lift Angle Deg	53
Power Reserve Hours	41
Jewels	24
Shock System	Diashock

Miyota 8215

Manufacturer	Citizen / Miyota
Country	Japan
Beat Rate BPH	21600
Frequency Hz	3
Lift Angle Deg	49
Power Reserve Hours	42
Jewels	21
Shock System	Parashock

📊 Delta & Performance Analysis

Direct comparative ratio of core numeric metrics between Seiko 4R36 (Cyan) and Miyota 8215 (Gold).

Beat Rate BPH: 21600 vs 21600 Δ 0

Frequency Hz: 3 vs 3 Δ 0

Lift Angle Deg: 53 vs 49 Δ +4

Power Reserve Hours: 41 vs 42 Δ -1

Jewels: 24 vs 21 Δ +3

Frequently Asked Questions

What are the primary differences between Seiko 4R36 and Miyota 8215?

Seiko 4R36 and Miyota 8215 represent distinct specifications within Watch Movements. Reference the side-by-side data table above for exact empirical values.

Can I access this comparison data programmatically via API?

Yes. GemsMakers offers a high-speed, zero-authentication JSON REST API at https://gemsmakers.com/api/v1/calculate.php and downloadable datasets in both CSV and JSON formats under CC BY 4.0.