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wpe160.jpg (2297 bytes)

1000 Restorations
FEB 2012 6105-8119 SEIKO DIVE RESTORE
NEW 12/02/2011 6105-8119 SEIKO DIVE RESTORE
MAY 13, 2010 4 SEIKO DIVE RESTORE
JULY 1 2010 NEW DIVE iRESTORES AND SEIKO CHRONO
ROLEX     REPAIR 3135 31 JEWEL 5 ADJ AUTOMATIC MOVEMENT

ROLEX-MAIN-SPRING
ROSKOPF RESTORATION
UNIVERSAL GENEVE POLEROUTER 2

 


 

Longines_11_88.jpg (25316 bytes)

Longines 11.87

Features
stem wind and set
sub second

Data
11''', Dm= 24.85mm
H= 4.1mm
15 jewels
f = 18000 A/h
power reserve 39h

 

Longines 10.85N

Features
stem wind and set
sub second

Data
10''', Dm= 22.5mm
H= 3.6mm
15/16 jewels
f = 18000 A/h
power reserve 30h

 

Remarks
open face calibre
bimetallic screw balance, Breguet hairspring

family:
10.85N: open face calibre
10.86N: hunter calibre

Example, year: signature; shock device
1922: 4005843, Longines - 4005843, Longines
(Longines 10.86N, hunter)

 

Remarks
hunter calibre
bimetallic screw balance
group 2: Breguet hairspring
group 3: flat hairspring, setting lever and joke modified (both together between groups interchangable)

family:
10.85N: open face calibre
10.86N: hunter calibre

Example, year: signature; shock device
1-2) 1922: 4005843, Longines - 4005843, Longines
(group 2)
3-4) 1928: 4708383, Longines Watch Co., 15 Jewels - 4708383, Longines
(group 3)

 

Longines 10.86N

Features
stem wind and set
sub second

Data
10''', Dm= 22.5mm
H= 3.6mm
15/16 jewels
f = 18000 A/h
power reserve 30h

Remarks
open face calibre
bimetalic screw balance, flat hairspring
option: Breguet haispring

family:
11.87: open face calibre
11.88: hunter calibre

Example, year: signature; shock device
1929: 4967346, Longines Watch Co. Swiss, Extra Quality, 3 Adj., 15 Jewels - 4967346, Longines, Longines Wittnauer
(Longines 11.88, hunter calibre)

 

SEIKO  MOVEMENTS

year: signature; shock device
1970: 6119C, Seiko, 6119C, Japan, 21 Jewels; Diashock

Remarks
1968-1974
sophisticated excenter self-winding mechanism with just one gear stage (details cf. Seiko 6139B)

family/generations:
* ) quickset, turning crown (else pushing)
**) day in 2 languages
manual wind, 21600 A/h:
6100A: -
6102A: date
6110A: like 6100A, Railroad Watch
automatic, 21600 A/h:
6105A: date*
6105B: date*, hack feature
6106A: day, date, hack feature, 2 rotor screws
6106B: day, date, hack feature
6106C: day**, date, hack feature
6109A: day, date, smaller rotor
6117A: date*, GMT 24h
6117B: date*, GMT 24h, hack feature
6118A: date
6119A: day, date, 2 rotor screws
6119B: day, date
6119C: day**, date
chronograph, 21600 A/h:
6138A: hour counter, day*/**, date*
6138B: same, modified switching mechanism
6138A: day**, date
6139B: same, modified switching mechanism
automatic, 36000 A/h:
6145A: date, Grand Seiko
6146A: day, date, Grand Seiko
6155A: date, GS Special
6156A: day, date, GS Special
6159A: date*, Diver 300
6159B: date*, hack feature, Diver 600
6185A: GS Veri Fine Adjusted
6185B: dito, hack feature
6186A: day, date, Unruhstop, GS Veri Fine Adjusted

 


TO BE CONTINUED

 

wpe160.jpg (2297 bytes)

 

1000 Restorations
FEB 2012 6105-8119 SEIKO DIVE RESTORE
NEW 12/02/2011 6105-8119 SEIKO DIVE RESTORE
MAY 13, 2010 4 SEIKO DIVE RESTORE
JULY 1 2010 NEW DIVE iRESTORES AND SEIKO CHRONO
ROLEX     REPAIR 3135 31 JEWEL 5 ADJ AUTOMATIC MOVEMENT

ROLEX-MAIN-SPRING
ROSKOPF RESTORATION
UNIVERSAL GENEVE POLEROUTER 2