The G15.261 is a quartz chronograph movement manufactured by Switzerland’s ETA SA, distinguished by its unique retrograde chronograph function and tilted date display at the 4 o’clock position. It is mainly used in mid-to-high-end sports watches and chronographs. Below is a detailed introduction:
Core Technical Parameters
Size Specifications: With a diameter of 23.30 mm (10.5 lignes) and a thickness of 5.25 mm, it falls into the medium-sized quartz movement category, suitable for watches with a case diameter of 38–42 mm.
Jewel Bearings: Equipped with 6 jewel bearings, primarily used to reduce friction in key gears of the chronograph module, ensuring the movement’s stability and durability.
Hand Specifications: The aperture sizes for the hour/minute/central second/chronograph hands are 150/90/30/20 (in thousandths of a millimeter), requiring hands of specialized specifications for compatibility.
Power System: Uses a 394-type battery (compatible with SR9…
Calendar Disk Direction
4 O'clock Position Date (Black), 4 O'clock Position Date (White)
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