Post on 20-Oct-2020
Revied on : 09. March. 2017
ψ 27. 40 mm(ψ 29. 36 mm with Dial Holding Spacer)
H 6. 63 mm
SpecificationAppearance - 1Appearance - 2CasingHand FittingHand Setting StemDialAssembly PlanHands
SII Products
Cal. NE57A
Version No.ItemVersion 2
Version 1
Version 1
Version 2Version 1Version 1
Version 1
Version 1
Version 1
1. MOVEMENT DIMENSIONS· Outside diameter ψ27.40 mm· Casing diameter ψ29.36 mm (with dial holding spacer)· Total height 6.63 mm
2. FUNCTIONS· Winding mechanism Manual winding
Automatic winding with ball bearingBoth winding with one way clutch
· Additional function Hand type display for date with quick correctionSecond hand resetPower reserve display (center hand)
· Jewels 29 jewels· Accuracy -20~ +40 seconds per day (23º± 2ºC)· Shock resistance Shock-absorber device for balance staff· Vibration frequency 6 vibrations per second (21,600 vibrations per hour)· Duration time More than 41 hours· Regulation hands unbalance Hour : Less than 1.50 µN·m ( 150 mg·mm )
Minute : Less than 1.25 µN·m ( 125 mg·mm )Second : Less than 0.60 µN·m ( 60 mg·mm )
Date hand : Less than 0.10 µN·m ( 10 mg·mm )Center power reserve hand : Less than 0.95 µN·m ( 95 mg·mm )
· Antimagnetic DC : ≧ 4800 A / m
3. HANDLING AND CORRECTIONS1) Crown at normal position Clockwise : Manual winding
Counterclockwise : Free2) Crown pulled out to 1st click Clockwise : Free
Counterclockwise : Quick date correction3) Crown pulled out to 2nd click Time setting, second hand reset
4. DIAL FIXED METHOD The dial is fixed by two dial leg holes of dial holding spacer
5. TEST OF ACCURACY· Equipment to be used Witschi WATCH EXPERT· Duration of measurement 20 seconds
6. FITTING FORCE FOR HANDSHour hand : Less than 50 NMinute hand : Less than 50 NSecond hand : Less than 30 NDate hand : Less than 30 N
Center power reserve hand : Less than 50 N
7. CASING The movement is fixed by dial holding spacer*1. Screw type case back is required*2. Non-corresponding with Diver's watch
Version: 2
MOVEMENT SPECIFICATION
CAL.NE57A 12 Ligne Mechanical MovementThree Hands, Date Hand and Center Power Reserve Hand
SII Products
* All specifications are subject to change without notice.
Center post 中心柱位 Type M 一般針高Maximum height from main plate surface 與機芯平面之最大高度
Total height incl. movement 機芯總高度
Hour wheel 時針輪 Cannon pinion 分針輪 (十反) Fourth wheel
and pinion 秒針輪
Date star 日曆針輪
Type M 一般針高
Center power reserve wheel 中心能量顯示針輪
NE Premium Mechanical Series - Window Variation List
Date :19.04.2017
Reference NE15C11J NE15C11JB NE20B1J NE57A1J
Product Line NE Premium Mechanical
Series
NE Premium Mechanical
Series
NE Premium Mechanical
Series
NE Premium Mechanical
Series
Function 3 Hands/Date 3 Hands/Date Power Reserve Power Reserve
Appearance
Size 12''' 12''' 12''' 12'''
*Category B B B B
Spec Sheet Dial Drawing No. NE15 Dial - 1 NE15 Dial - 1 NE20 Dial - 1 NE57 Dial - 1
Postion Stem 3H 3H 3H 3H
Date 3H 3H
Date Disc Color White base Black letter Black base White letter
Hands Fitting Type Hands : TYPE M Hands : TYPE M Hands : TYPE M Hands : TYPE M
Stem Type Standard Standard Standard Standard
C/O Marking on Rotor JAPAN JAPAN JAPAN JAPAN
Remarks CDG on rotor CDG on rotor CDG on rotor CDG on rotor
*Category A : Ordinary Production (Stock Item) ; Category B : Order Based Production
NE Premium Mechanical Series - Window Variation List Date :19.04.2017
Reference NE57A1MN NE88A31J NE88A31JB NE88A32J
Product Line NE Premium Mechanical
Series
NE Premium Mechanical
Series
NE Premium Mechanical
Series
NE Premium Mechanical
Series
Function Power Reserve Chrono/Date Chrono/Date Chrono/Date
Appearance
Size 12''' 12 1/2''' 12 1/2''' 12 1/2'''
*Category B B B B
Spec Sheet Dial Drawing No. NE57 Dial - 1 NE88 Dial - 1 NE88 Dial - 1 NE88 Dial - 1
Postion Stem 3H 3H 3H 3H
Date approx 4.5 approx 4.5 6H
Date Disc Color Metal base Black letter Black base White letter Metal base Black letter
Hands Fitting Type Hands : TYPE M Hands : TYPE M Hands : TYPE M Hands : TYPE M
Stem Type Standard Standard Standard Standard
C/O Marking on Rotor JAPAN JAPAN JAPAN
Remarks CDG on rotor CDG on rotor CDG on rotor CDG on rotor
*Category A : Ordinary Production (Stock Item) ; Category B : Order Based Production