1F20 40 Seiko Watch Movement Omega® 140 115 x 330 (13")

115 x 330 (13")

• Metal alert buzzer ensures probe tip is in contact with gemstone during testing

Made of hardwood with removable dividers

50 mm square shaped waterproof crown

1F20 40 Seiko Watch Movement Omega® 140 115 x 330 (13")1F20 40 Seiko Quartz Watch Movement is a 2 hand movement (hour minute). This ladies movement is a 4 1 2 x 5 1 2 ligne movement, dimensions are 10. 00 mm x 12. 50 mm with a thickness of 1. 80 mm, overall movement height is 3. 15 mm. Hand dimensions are 90 45(h m). 0 jewel movement, uses 337 battery. Stem is supplied with the movement. Stem is a part number 351 807, this stem is a tap 0. 60 mm (tap 13).