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Longines – mainsprings for all calibers
386 calibers with mainspring dimensions
Choose the caliber of your Longines movement. The caliber page shows the mainspring dimensions and – if in stock – the matching mainspring from our shop.
Note: We have transcribed this information to the best of our knowledge from the Générale Ressorts mainspring catalogue (GR 2, 1974). All information has been carefully checked but is provided without guarantee. Please check yourself before fitting that the mainspring fits, in particular height, diameter, thickness and length.
⚙️ All calibers
Longines 0–99
- 3.4L
- 4 LL
- 4 LN
- 4.21
- 4L
- 5 LN
- 5 LNS
- 5.16
- 5.16 N
- 6.22
- 7 ™
- 7.43 à 7.46
- 7.47/7.48
- 8 '/2 24
- 8 L/8 LN
- 8 LNS
- 8 M/8 MS
- 8 N/8 NS
- 8.23
- 8.27
- 8.28
- 8.28 ABC
- 8.37
- 8.38
- 8.45
- 8.47
- 8.47 N
- 8.62 2
- 8.68 ABC
- 8.68 N
- 8.68 N2DC
- 8.68 NSC
- 8.68 Z
- 9 L
- 9 LN
- 9 LT
- 9.4
- 9.10
- 9.28
- 9.32
- 9.35 - 9.36
- 9.40 2 DC
- 9.47
- 9.47 N
- 9.47 NN
- 9.65
- 10 L
- 10 L/10 LN
- 10 LNS
- 10 LS
- 10 LSN
- 10 N
- 10 T
- 10.25 - 10.26
- 10.39
- 10.40
- 10.42 ZZ
- 10.56
- 10.58/10.58 N
- 10.62
- 10.68 Z
- 10.68 ZSC
- 10.68/10.68 N
- 10.70
- 10.71
- 10.84
- 10.85 N
- 10.85 Plat
- 10.85/10.85 A
- 10.86 A
- 10.86 Z
- 10.86/10.86 N
- 10.87
- 10.88
- 10/42
- 11 L
- 11.12/62 N
- 11.26
- 11.62
- 11.62 A
- 11.62 AM
- 11.62 N
- 11.68 Z
- 11.84
- 11.84 anc ZZ
- 11.84 N
- 11.87
- 11.88
- 11.88 A
- 11.88 N
- 11/87 N
- 11/193
- 12 1/12 LN
- 12 LNS
- 12 LS
- 12 N
- 12.15
- 12.19
- 12.62 N
- 12.68 2C
- 12.68 Z
- 12.68 Z/12.68 Z stop
- 12.68. 12.68 N
- 12.91
- 12/62
- 12/68 Z stop 2 C 27/0
- 12/84 N 2Z
- 12/92 - 12/92 2 D.C
- 12/193
- 13 AS
- 13 Z Chrono
- 13 ZN
- 13"
- 13" Valjoux
- 13.15
- 13.22
- 13.31
- 13.32
- 13.33 2 N
- 13.33/13.33 Z2C
- 13.34
- 13.43
- 13.51
- 13.56
- 13.56 F
- 13.57
- 13.67 - 13.67 ZZ
- 13.68 Z
- 13.81
- 13.82
- 13.82 ZZ
- 13.97
- 13.98
- 13.98 ZZ
- 13/15 V
- 14
- 14 A-14L
- 14 AS - 14 LS
- 14.25 - 14.26
- 14.39
- 14.68 N
- 15
- 15 AS
- 15 AST
- 15 LS
- 15" Valjoux chr
- 15.17
- 15.18/15.18 SC
- 15.25
- 15.25 ABC
- 15.26
- 15.26 ABC
- 15.34
- 15.47
- 15.48
- 15.68
- 15.68 N
- 15.68 ZS
- 15.89
- 15.89 M
- 15.90 M
- 15.93
- 15.94
- 15.95 M
- 15/23
- 15/89 Z ABC
- 16 B
- 16.89 M
- 16/25
- 16/26 West-end
- 17 AS
- 17 AST
- 17 B
- 17 L
- 17 LL
- 17 LU
- 17.9
- 17.25
- 17.26/17.27
- 17.27
- 17.61 N - 17.61
- 17.69
- 17.69 ABC
- 17.69 ZE
- 17.79
- 17.79 ABC
- 17.80
- 17.80 ABC
- 17.89 Plat
- 17.89/17.89 ABC
- 17.90 ZZ
- 17.95 Plat
- 17.96 Plat
- 17/18 89 ABC
- 17/69 M
- 17/69 ZN
- 17/89 ZZ
- 17/89 ZZ ABC
- 17/89-90 ZZ ABC
- 17/90
- 17/90 ABC
- 17/90 ZZ ABC
- 17/903
- 18 AS
- 18 B
- 18 D- 18 SD
- 18 E
- 18 L-18LS
- 18.18
- 18.19
- 18.25
- 18.25 ABC
- 18.25 N
- 18.26 ABC
- 18.49 N
- 18.50 N
- 18.67 - 18.68
- 18.68 N
- 18.68 Z
- 18.69
- 18.72
- 18.72 ABC
- 18.79
- 18.79 ABG
- 18.79 N 2Z
- 18.80
- 18.80 N
- 18.81
- 18.89 ABC
- 18.89 N-18.90 N
- 18.89 Plat
- 18.89 Z
- 18.89 Z ABC
- 18.90
- 18.90 ABC
- 18.90 M
- 18.90 Z
- 18.90Z ABC
- 18/27
- 18/49
- 18/50 - 18/50 A
- 18/59
- 18/63 - 18/64
- 18/65 - 18/66
- 18/69 A
- 18/69 N
- 18/69 N 2 DC
- 18/69 N 2 T. d'h
- 18/69 Z
- 18/79 N
- 18/79 ZZ
- 18/80 ABC
- 18/80 ancien
- 18/80 N 2Z
- 18/80 ZZ
- 18/89
- 18/89 ZZ
- 18/89 ZZ ABC
- 18/90 ZZ ABC
- 18/95 Plat
- 18/SP
- 19 / CH
- 19 A
- 19 AD Aut
- 19 AS Aut
- 19 B - 19/20 B
- 19 HS
- 19 LS
- 19-4 S
- 19-4 T
- 19.4 S
- 19.27
- 19.47 N
- 19.55
- 19.57 chrono
- 19.58
- 19.65 Mouv
- 19.65 Sonn
- 19.68 Z
- 19.70
- 19.71 NF
- 19.71 SF
- 19.73
- 19.73 A
- 19.73 N
- 19.73 N CHR
- 19.74 M
- 19.74 N
- 19.74/19.74 A
- 19.75 - 19.75 A
- 19.75 M
- 19.75 N
- 19.78 N
- 19.79 ABC
- 19.80 - 19.79
- 19.80 ABC
- 19.89 N
- 19.90 N
- 19.95 - 19.95 A
- 19.95 CHR
- 19.96 CHR
- 19/8
- 19/24-19/25-19/26
- 19/51
- 19/57 - 19/57 clef
- 19/69 mouv
- 19/70 N-19/70 NI
- 19/71 A
- 19/71 N
- 19/71 N2DC
- 19/79 ABC ZZ
- 19/79 N
- 19/79 N 2Z
- 19/80 ABC ZZ
- 19/80 N ZZ
- 19/80 ZZ
- 19/89
- 19/96
- 19/96 A
- 19/101 - 19/102
- 19/953
- 20 H chrono
- 20 L
- 20.28
- 20.52 - 20.57
- 21.19
- 21.26
- 21/29 CS
- 22 L
- 22 L - 22 LS
- 22 N
- 23 LN
- 23 M
- 23 MSC
- 23 Z
- 23 ZD
- 23 ZN
- 23 ZS
- 23 ZZD
- 23.0 - 23.0 SC
- 23.7
- 25.17
- 25.17 ABC
- 25.17 DO
- 25.173
- 27 M
- 27 M SC
- 27.0
- 27.0 SC
- 27.10
- 30 CH
- 30 chrono
- 30 L
- 30 LS
- 37.9
- 37.9 ABC
- 37.9 MCE
- 37.9 mince
- 37.9 N
- 37.9-2 DC
- 37.9-2 DC AHR Ratt
- 37.9-N-2 DC
- 38.7
- 39.7
Longines 100–199
Longines 200–299
Longines 300–399
Longines 400–499
Longines 500–599
Longines 700–799
Longines 800–899
Longines 900–999
Longines 1400–1499
Longines 1800–1899
Longines Other