JR1040 in-house manufactured automatic-winding mechanical movement Calibre 11 1/2’’’, 29 jewels, frequency 28.800 vib./hour (4 Hz) 48 hours minimum power reserve Hours and minutes at 12 o’clock, seconds at 7.30 o’clock, date indicated by hands at 3 o’clock, power reserve indicator at 4.30 o’clock Steel case, diameter 42 mm, height 10.75 mm Curved, anti-reflective sapphire glass Sapphire glass case-back Case-back fastened with 6 screws Water-resistant to 30 m Opalin vertically stamped grey dial, silver satin-finished sunburst effect applied hours and minutes zone Alligator strap with steel folding buckle
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