MovementSwap

Ronda 705 caliber vs Seiko 4R34 caliber: specs compared

Updated 05 September 2026.

11
specs differ

Ronda 705 caliber and Seiko 4R34 caliber differ on 11 specs: maker, size, casing diameter, movement height, frequency, jewels.

SpecRonda 705 caliberSeiko 4R34 caliber
MakerRondaSeiko
Size11 1/2 ligne12 ligne
Casing diameter26.20 mm27.40 mm
Movement height2.50 mm5.32 mm
Frequency32,768 Hz quartz21,600 A/h (3 Hz)
Jewels1 or 524
Windingquartz, battery 371automatic, bidirectional, hacking and hand-wind
Calendar / layoutcentre seconds, no date, slimcentre seconds, GMT 24h hand, date at 3
Hand fittinghour 1.50 / minute 0.90 / second 0.20 mm (bore)hour 1.50 / minute 0.90 / second 0.20 mm (bore), plus 24h GMT hand
StemRonda 700-series stem4R34 stem
Power reservebattery 371, up to 60 monthsapprox. 41 h

Questions and answers

How do Ronda 705 caliber and Seiko 4R34 caliber compare?

Ronda 705 caliber and Seiko 4R34 caliber differ on 11 specs: maker, size, casing diameter, movement height, frequency, jewels.

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