FEATURES Button A The SEIKO Cal. S351 features timer and stopwatch functions designed for broadcasting use. Button B It is also equipped with a convenient function to calculate times entered in the sexagesimal form. Mode selector 1. Addition and subtraction of times can be made simply by entering the hour, minute and second digits with the number entry and time (hour, minute and second) keys.
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Notes: (Time set previously) The time can be entered either by using the number entry and time keys or by using the number entry keys alone according to the time you wish to set. (For details, see “Entry of times” in “ HOW TO USE THE TIME CALCULATION MODE”.) If a wrong number has been entered, press the clear/clear entry key and enter the Second setting...
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Entry with the number entry and time keys After entering numbers, enter the time digit ([ (HOUR)],[ (MINUTE)] or [ (SECOND)]). This method is useful for entering time having blank digits. Ex. 1) 2 hours 15 minutes and 10 seconds [2] [ (HOUR)] [1] [5] [ (MINUTE)] [1] [0] [...
HOW TO USE THE TIMER TIMER The timer can be set for up to 99 hours, 59 minutes and 59 seconds in one second Mode selector increments. Button Once the timer is set, the set time is stored in memory and can be used repeatedly Button unless it is canceled.
Be sure to have the gasket and push-pin replaced with be discolored, deterio- new ones by a SEIKO DEALER after the watch is rate or deform through adjusted or repaired. the chemical action. Specify “SEIKO GENUINE PARTS”...
SPECIFICATIONS 1. Frequency of crystal oscillator·················32,768 Hz (Hz Cycles per second) 2. Loss/gain (monthly rate)··························Less than 0. 0006% or 15 seconds at normal tem- perature range (5°C 35°C) 3. Operational temperature range··············· 10°C 60°C (For the display···0°C 50°C) 4. Display medium·······································Nematic Liquid Crystal, FEM (Field Effect Mode) 5.
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