Watch movements
137 movements from 7 makers: 53 automatic, 14 quartz (27 of them solar) and 70 Casio modules. Each page gives the maker’s figures with their source, a drawing from those figures, the battery, the watches that use it and what can replace it.
Most looked-up calibres
The calibres people search for most, in that order. Open one for its figures and drawing.
Calibre faces and heights from the makers' figures, all to one scale; the bar and each grid square are 10 mm. Not photos.
automatic
Seiko 4R36
- Diameter
- 27.4mm
- Height
- 5.32mm
- Beat rate
- 21,600bph
- Reserve
- 41h
No. 3 of the most looked up
automatic
Sellita SW200-1
- Diameter
- 26mm
- Height
- 4.6mm
- Beat rate
- 28,800bph
- Reserve
- 41h
No. 6 of the most looked up
Also looked up a lot
- 8TMI VK63mecha-quartz
- 9Miyota 9039automatic
- 10Seiko 4R35automatic
- 11TMI VH31quartz
- 12Miyota 9075automatic
Which calibres are the same, clones or based on another
What the movement files state about each other, with the source of every link. An arrow points from a calibre to its base.
- ETA C07.611 based on ETA 2824-2 · Professional Watches
- Tissot Powermatic 80 based on ETA 2824-2 · Tissot (Swatch Group)
- PT5000 clone of ETA 2824-2 · CaliberCorner
- Hamilton H-10 based on ETA C07.611 · WatchBase
- Dixmont DG2813 based on Miyota 8215 · CaliberCorner
- ETA 2894-2 based on ETA 2892-A2 · Grail Watch Reference (third party)
Families
Calibres our sources place in one family, usually one base with different complications. Each has its own page with its figures.
- Miyota Standard Automatic 7Miyota 8N24Miyota 82S0Miyota 82S5Miyota 82S7Miyota 821AMiyota 8205Miyota 8315
- Miyota Premium Automatic 5Miyota 90S5Miyota 9039Miyota 9075Miyota 9100Miyota 9122
- NH3x 5NH34NH35NH36NH38NH39
- ETA 28xx 4ETA 2824-2ETA 2836-2ETA 2892-A2ETA 2893-2
- Seiko 4R3x 44R344R354R364R38
- Seiko 6Rx 36R156R356R55
- Miyota Chronograph 2Miyota 0S20Miyota 6S21
- NH7x 2NH70NH72
- SW200 2SW200-1SW220-1
- SW300 2SW300-1SW330-2
- VK6x 2VK63VK64
Movement sizes to scale
42 calibres with a published diameter and height, smallest first, all at one scale: dial side above, height on one baseline below. Calibres of exactly the same size share a cell.
- 17.2 × 4.8 mmETA 2671
- ≈17.48 × 5.92 mmNH05
- 23.7 × 3.45 mmVH31
- 25.6 × 3.6 mmETA 2892-A2
- 25.6 × 4.1 mmETA 2893-2
- 25.6 × 4.6 mmETA 2824-2
- 25.6 × 5.05 mmETA 2836-2
- ≈25.94 × 3.9 mmMiyota 90S5 · Miyota 9039
- ≈25.94 × 4.15 mmMiyota 2315
- ≈25.94 × 4.92 mmMiyota 9075
- ≈25.94 × 5.55 mmMiyota 8N24
- ≈25.94 × 5.67 mmMiyota 82S0 · Miyota 82S5 · Miyota 82S7 · Miyota 8205 · Miyota 8215 · Miyota 8315
- 26 × 4.6 mmSW200-1
- 26 × 5.05 mmSW220-1
- 26.2 × 3.6 mmSW300-1
- 26.2 × 4.1 mmSW330-2
- 27 × 4.8 mm7S36
- ≈27.07 × 5.32 mmNH34
- 27.4 × 4.9 mm7S26
- 27.4 × 5.25 mm6R35
- 27.4 × 5.32 mm4R35 · 4R36 · 6R15 · NH35 · NH36 · NH38 · NH39 · NH70 · NH72
- 30.4 × 7.9 mmSW510
- ≈30.45 × 5.1 mmMiyota 0S20
- ≈30.45 × 5.52 mmMiyota 9100 · Miyota 9122
- 30.8 × 5.1 mmVK63 · VK64
- ≈33.84 × 4.9 mmMiyota 6S21
By maker
Each maker's most looked-up calibres first; open a maker for every calibre, grouped by family.
TMI movements
Time Module, the Seiko Instruments arm that sells NH and VK calibres to other watch brands
Seiko movements
Seiko’s own calibres, the ones inside Seiko-branded watches
Miyota movements
Citizen’s movement maker, selling to other watch brands
- 2035
ETA movements
the Swatch Group’s movement maker
Sellita movements
the Swiss maker whose SW calibres share the ETA 28xx layout
Citizen movements
Citizen’s own calibres, including Eco-Drive
- 8210
- 8200
- 9051
Casio modules
Casio’s modules, the number printed on the case back
- 2747
- 5081
analog-digital module
Casio module 5081
- Display
- analog-digital
- Battery
- CR1220
- Battery life
- 2years
- Accuracy
- ±15 s/month
- 5611
analog-digital module
Casio module 5611
- Display
- analog-digital
- Battery
- 2 × SR726SW
- Battery life
- 3years
- Accuracy
- ±15 s/month
Every movement
Filter by type; the list is grouped by maker.
Miyota
- Miyota 0S20quartz
- Miyota 6S21quartz
- Miyota 8N24automatic
- Miyota 82S0automatic
- Miyota 82S5automatic
- Miyota 82S7automatic
- Miyota 90S5automatic
- Miyota 821Aautomatic
- Miyota 2035quartz
- Miyota 2315quartz
- Miyota 8205automatic
- Miyota 8215automatic
- Miyota 8315automatic
- Miyota 9015automatic
- Miyota 9039automatic
- Miyota 9075automatic
- Miyota 9100automatic
- Miyota 9122automatic
ETA
- ETA 2671automatic
- ETA 2824-2automatic
- ETA 2836-2automatic
- ETA 2892-A2automatic
- ETA 2893-2automatic
Citizen
- Citizen 0200automatic
- Citizen 0510quartz
- Citizen 0950automatic
- Citizen 8200automatic
- Citizen 8204automatic
- Citizen 8210automatic
- Citizen 8310automatic
- Citizen 9011automatic
- Citizen 9051automatic
- Citizen B612solar quartz
- Citizen B620solar quartz
- Citizen E168solar quartz
- Citizen H500solar quartz
- Citizen J800solar quartz
- Citizen J810solar quartz
Casio modules
- Module 593digital module · 13 models
- Module 2688module
- Module 2747analog-digital module · 4 models
- Module 3053module
- Module 3092module · 1 model
- Module 3157module · 2 models
- Module 3159digital module · 34 models
- Module 3191digital module · 4 models
- Module 3194digital module · 10 models
- Module 3198digital module · 3 models
- Module 3208digital module · 7 models
- Module 3224digital module · 11 models
- Module 3229digital module · 118 models
- Module 3230digital module · 71 models
- Module 3232digital module · 3 models
- Module 3239digital module · 1 model
- Module 3240digital module · 3 models
- Module 3263digital module · 11 models
- Module 3284digital module · 4 models
- Module 3298digital module · 14 models
- Module 3299digital module · 3 models
- Module 3403digital module · 3 models
- Module 3405digital module · 4 models
- Module 3410digital module · 22 models
- Module 3416digital module · 1 model
- Module 3464digital module · 5 models
- Module 3495digital module · 7 models
- Module 3502digital module · 3 models
- Module 3506digital module · 5 models
- Module 3525digital module · 47 models
- Module 4334digital module · 1 model
- Module 4778digital module · 22 models
- Module 5069analog module
- Module 5081analog-digital module · 53 models
- Module 5110analog-digital module
- Module 5121analog-digital module · 6 models
- Module 5123analog module
- Module 5146analog-digital module · 106 models
- Module 5154analog-digital module · 10 models
- Module 5161analog-digital module · 2 models
- Module 5174analog-digital module
- Module 5177analog module
- Module 5208analog-digital module · 5 models
- Module 5229analog-digital module · 20 models
- Module 5230digital module · 47 models
- Module 5240analog module · 6 models
- Module 5269analog-digital module · 1 model
- Module 5302analog-digital module · 2 models
- Module 5369analog-digital module · 4 models
- Module 5371analog-digital module · 9 models
- Module 5398analog-digital module · 14 models
- Module 5441analog-digital module · 5 models
- Module 5444digital module · 19 models
- Module 5445digital module · 13 models
- Module 5463analog-digital module · 6 models
- Module 5476analog-digital module · 7 models
- Module 5479analog-digital module · 4 models
- Module 5522analog-digital module · 54 models
- Module 5535analog-digital module · 15 models
- Module 5544analog-digital module · 13 models
- Module 5554analog-digital module · 7 models
- Module 5562digital module · 1 model
- Module 5565analog-digital module · 1 model
- Module 5590analog-digital module · 9 models
- Module 5594analog-digital module · 4 models
- Module 5611analog-digital module · 90 models
- Module 5612analog-digital module · 8 models
- Module 5641analog-digital module · 5 models
- Module 5711analog hands (hour, minute) and digital display module · 3 models
- Module 5713analog hands and digital display module · 4 models
Movements compared
Pairs people search for, each with a side-by-side table, both movements drawn to one scale and a verdict on whether one replaces the other.
- NH35 vs NH36TMI and TMI
- NH35 vs Miyota 8215TMI and Miyota
- 6R35 vs 6R55Seiko and Seiko
- 7S26 vs 4R36Seiko and Seiko
- NH35 vs NH34TMI and TMI
- 4R35 vs 6R35Seiko and Seiko
- NH35 vs Miyota 9015TMI and Miyota
- NH35 vs 4R35TMI and Seiko
- 4R36 vs NH36Seiko and TMI
- NH35 vs NH70TMI and TMI
- 7S26 vs NH35Seiko and TMI
- NH35 vs ETA 2824-2TMI and ETA
- Movement comparisonAny two to four calibres, side by side and to scale