SEIKO MILITARY CHRONOGRAPH WATER RESISTANT SDWB63 SDWB63P

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Model: SDWB63P
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Seiko Chronograph
Military Alarm Chronograph
Model : SDWB63P1
Caliber 7T32

High grade stainless case and Military green Nylon strap
Dual timer with alarm and chronograph function. 
Water resistance: 100 meter
Sapphire Crystal with non-reflective coating.
Screw case back and screw crown.
Non reflective jet green dial.
Case width: 40mm
Case thickness: 9.5mm
Worldwide Guarantee 1 yr.
Frequency of crystal 32,768Hz=hertz 
Loss/gain ( monthly rate) >15sec at normal temperature (5c~35c)
Accuracy of alarm: ~1minute
Operational temp range: -10c~+60c (14F~140F)
Driving system: step motor, 4 pieces
Alarm: set on 12hr basis
Battery: Seiko SR927W, 1 unit
Integrated circuit: C-MOS-LSI

 

SDWB63P