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A screw regulator is a type of eccentric regulator which uses an unusual lop-sided screw to move the regulator as desired to trim the hairspring and speed up or slow down the oscillation of the balance wheel.


Ginault 7275

Ronda R150

Seiko 2L75

Seiko 4580

Seiko 4L25

Seiko 4L75

Seiko 4S12

Seiko 4S15

Seiko 4S24

Seiko 4S25

Seiko 4S27

Seiko 4S28

Seiko 4S29

Seiko 4S35

Seiko 4S36

Seiko 4S71

Seiko 4S76

Seiko 4S77

Seiko 4S79

Seiko 5206

Seiko 6L35

Seiko 8L21

Seiko 8L34

Seiko 8L35

Seiko 8L36

Seiko 8L38

Seiko 8L55

Seiko 8L75

Seiko 9S25

Seiko 9S61

Seiko 9S63

Seiko 9S64

Seiko 9S65

Seiko 9S66

Seiko 9S67

Seiko 9S68

Seiko 9S85

Seiko 9S86

Soprod A10-2

Soprod M100 Balancier Visible

Soprod M100 Date

Soprod M100 Squelette

Soprod P092

ST1812

ST2100

ST2130

STP1-11

STP1-11M

STP4-13

STP5-15

STP5-15M

STP6-15

SW100

SW1000-1

SW200-1

SW210-1

SW215-1

SW216-1

SW219-1

SW220-1

SW220-1 M

SW221-1

SW221-1 M

SW240-1

SW240-1 M

SW260-1

SW261-1

SW261-1 M

SW280-1

SW280-1 M

SW285-1 a

SW285-1 b

SW285-1 M a

SW285-1 M b

SW288-1

SW288-1 M

SW290-1

SW295-1

SW295-1 M

SW300-1

SW330-2

SW360-1

SW400-1

SW461-1

SW500 a

SW500 b

SW500 BV a

SW500 BV b

SW500 BV c

SW500 c

SW500 M a

SW500 M b

SW500 M BV a

SW500 M BV b

SW500 M BV c

SW500 M c

SW500 M MP a

SW500 M MP b

SW500 M MP c

SW500 M MPC a

SW500 M MPC b

SW500 M MPC c

SW500 MP a

SW500 MP b

SW500 MP c

SW500 MPC a

SW500 MPC b

SW500 MPC c

SW501 a

SW501 b

SW501 BV a

SW501 BV b

SW501 BV c

SW501 c

SW501 M a

SW501 M b

SW501 M BV a

SW501 M BV b

SW501 M BV c

SW501 M c

SW501 M MP a

SW501 M MP b

SW501 M MPC a

SW501 M MPC b

SW501 MP a

SW501 MP b

SW501 MPC a

SW501 MPC b

VAL-24

VAL-36

VAL-92