I have for sale some NOS (New Old Stock) Ronda Stems. Please see the dropdown list for all of the available makes/calibres that I have available. Where you see "++" at the end of the line that means that there are simply to many calibres that the stem will fit to list against the part number - please see below for the full list of calibres:


Ronda Stem No.

1673 - Poljot 2408, 2409, 2409A, 2414A & 2415A

1615 - Citizen 0200, 0201, 0270, 0271, 0272, 911, 920, 930, 1800, 1801, 1802, 1810, 1830, 1831, 1840, 1841, 1850, 1851, 1860, 1870, 3000, 5700 & 5701

1712 - Citizen 1400, 2400, 2402, 2410 & 4600

1725 - Citizen 5204, 5210, 5220, 5240, 5250, 5260, 5270, 5290, 5401, 5411, 5420, 5430, 5440, 5450, 5460, 5470, 6400 & 6420,

1726 - Citizen 0700, 0701, 2700 & 2710

1741 - Citizen 9300, 9301, 9304, 4310, 4400, 4401, 4311, 4340 & 4402

1742 - Citizen 1500, 2000, 2100, 2101, 2102, 2110, 2111, 2200, 2201, 2210 & 2211

1743 - Citizen 5200, 5201, 5202, 5203, 5230, 5400 & 5410

1744 - Citizen 1901, 1910, 2900 & 2910

1745 - Citizen 0310, 0320, 0321, 0340, 1120, 1121, 1130, 1131, 1132, 1133, 1150, 1160, 1161, 1170, 4000, 4001, 4002, 4101, 4102, 4103, 4111, 4112, 4113, 4120, 4121 & 4130

1746 - Citizen 0110, 0112, 0130, 0140, 0150, 0151, 0153, 0170, 2300, 2302, 5100, 5110, 5300, 5301, 5302, 5310, 6100, 6110 & 6200

1589 - Seiko 245, 2451, 6001A & 6601B

1585 - Seiko 290, 341, 430, 560, 3180, 57A, 5717A, 5719A, 5722A, 5740A, Crown, Lord Marvel & Laurel

1588 - Seiko 402, 460, 956, 3140, 6220B, 6220C, 6220M, 6222A, 6222B, 6222M & Liner

1587 - Seiko 66A, 66B, 205, 375, 436, 957, 4361, 6602B, 6640A, 6659A & Sportsman

1583 - Seiko 10A, 10B, 10M, 15A, 19A, 1004A, 1004B, 1004M, 1020A, 1020B, 1520A, 1920A, Lady Fine, Solar, Venus & Fine

1477 - Seiko 21A, 21B, 21C, 2102A, 2102B, 2104A, 2107A, 2119A, Femi Laurel, Sports Lady, Seikomatic, Lady, Chorus, Queen Seiko

1584 - Seiko 54A, 60M, 810, Cronos, Gold Feather, King Seiko & Champion

1706 - Seiko 2505A, 2501A & 2501B

1718 - Seiko 44A, 4402A, 4420A & 4420B


Please note that you are purchasing a single brand new stem from a multipack. They are all new old stock that have never been used.


Please feel free to ask any questions.