Manual Oris 125 Joor FCB Begränzti Uflag Watch

Manual

In the above example, 33 minutes

have elapsed since the start of

measurement.

Rotating bezel for measuring time

to the nearest hour:

Position the marker on the

rotating bezel opposite the hour

hand, or to the desired hour end

position.

The hours elapsed, or the hours

past the preset end time can be

read on the bezel.

Helium valve.

0

Watches with a helium valve are

intended for divers who spend

extended periods on board a

diving bell, or in any other cham-

ber with a helium-enriched

atmosphere.

The inert gas helium has one of

the smallest molecules, meaning

that it can penetrate the seals on

watches and enter the case. Once

inside the case, this gas is unable

to escape rapidly enough unless a

special valve is fitted, i.e. the

helium valve. Opening this valve

prevents any excess pressure on

the watch glass from inside

after the ascent. The helium valve

is identified on Oris diving watches

by a coloured spot on the crown.

Before a dive, turn the helium

valve crown clockwise to its limit

stop and close the valve.

Before leaving the diving station,

turn the crown on the helium valve

anti-clockwise as far as it will go

(to open).

Even if the valve remains open,

the watch would still be water-resi-

stant for normal purposes. But for

diving operations of any kind, the

valve must be closed, as descri-

bed above.

Watch as a compass.

Watches with an analogue hour

and minute display can be used

as compass, using the position of

the sun as a guide. This depends

on the sun’s position being clearly

visible, and on the watch showing

the correct time.

If the watch has a graduated

bezel, this can be used to find the

bisector (mid-point).

Remove the watch from your wrist

and turn it until the hour hand is

pointing at the sun.

Determine the bisector (mid-point)

between the hour hand and 12

o’clock. (Between 18.00 and

Start the chronograph function

using pusher 4 as soon as a

visible event occurs.

Press pusher 4 again as soon as

you hear the sound.

In the above example, the

thunderstorm is still at a distance

of 3 kilometres.

Rotating bezel for diving

watches with a 60 minute

graduation.

The rotating bezel on all Oris diving

watches can only be adjusted in

an anti-clockwise direction. This

prevents the measured or set

time from being extended if the

bezel is turned accidentally. This

ensures that the diver has enough

time left to decompress properly.

The rotating bezel on a diving

watch can also be used as a timer

or for any kind of time indication

to the nearest minute or hour, e.g.

parking, cooking, game time, etc.

Rotating bezel for measuring time

to the nearest minute:

Position the marker on the rotating

bezel opposite the current minute

hand position, or to the desired

minute hand end position.

The minutes elapsed, or the

minutes past the preset end

time can be read on the bezel.

19Setting and operating Oris watches.

English

28

|

50

|

40

|

30

|

20

|

10

|

06.00, take the bigger angle bet-

ween the hour hand and 12

o’clock.) This equates to South.

Once you have established where

South lies, the other cardinal

points can be extrapolated from

that.

If the watch has a rotating bezel

with compass graduation, it is

easier to identify all the cardinal

points other than South. With a

watch of this kind, proceed as

follows:

Remove the watch from your wrist

and determine South using the

compass bezel by calculating the

bisector (mid-point) between the

hour hand and 12 o’clock.

Point hour hand at the sun and

determine the cardinal points

using the compass bezel.

12

1

2

3

4

5

6

7

8

9

10

11

x

x

N

330

300

W

240

210

S

150

120

E

60

30

S

Rating

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