Genuine Omega® oscillating weight, part number 1026, base cal. 670 (see all calibres in description) Generic Crystals to fit Ricoh one at 6 o'clock position

one at 6 o'clock position (second hand) and one at 10 o'clock position (30 minute timer)

and the minute hand has a square hole 2

Size 18mm 20mm 22mm Width at Lug End (Watch End): 18mm 20mm 22mm Total Length: 194mm 194mm 194mm Thickness: 3

Remove the crystal

Westclox GTA-4B1

Genuine Omega® oscillating weight, part number 1026, base cal. 670 (see all calibres in description) Generic Crystals to fit Ricoh one at 6 o'clock positionGenuine Omega oscillating weight, part number 1026 Fits calibres: Omega 670 Omega 671 Omega 672 sweep Omega 672 no seconds Omega 680 Omega 681 Omega 682 * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega. Omega warranty does not apply to parts supplied by Perrin Supply Ltd.