
SPECIAL FORCES
1000/1000XL UDT
CHRONOGRAPH
OPERATION MANUAL
© Copyright 2006 CHASE-DURER LTD all rights reserved.

Display and Screw Down Crown/Pushbuttons
® Setting Date and Time Zone
® Setting Time
® Resetting Chronograph Hands to Zero
® Timing Mode • Simple Chronograph Function
® Timing Mode • Split Time or Intermediate Times Function
® Tachymetre
® Tachymetre
® Navigation
® Miscellaneous
® Specifications
®
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Table of Contents

1.
31
60
40 20
0
8 2
46
9 3
12
6
N
S
W
E
5
1
0
15
2
0
5
2
30
35
40
45
05
55
SPECIAL
FORCES
1000XL
UNDERWATER
DEMOLITION
TEAM
CHASE-DURER
BLACK STEEL
1000FT DEPTH
9 3
12
6
CHRONOGRAPH HANDS
WATCH HANDS
12 hour counter
60 minute counter
60 second counter
1/10 second counter
Date indicator
Minute hand
Hour hand
Second hand
A
B
Pushbutton:
START/STOP
Setting crown
BEZEL with Compass
Markings
10 marker°
10 marker°
3.3 marker°
Screw Down Crown and Pushbuttons
NOTE - Failure to screw down Crown and Pushbuttons to resist moisture will void your warranty
Split-Time /
Reset to Zero
Screwed Down Setting & Timing Positions
2 3
b
1
a
WARNING: Crown should be locked down in position 1 at all times, use position 2 & 3 for
adjustments only. Do not operate pushbuttons under water!
a.
b.
Push in and turn Crown clockwise until tight.
Turn Pushbuttons clockwise until tight when not using.
Pushbuttons do not require pushing in to screw down.
Turn Crown counterclockwise until you no longer feel
the threads gripping; Crown can now be pulled out.
Unscrew Pushbuttons to use CHRONOGRAPH until light resistance is felt.
Pushbutton:
DISPLAY and Screw Down Crown/Pushbuttons

Setting Date and Time Zone
2.
31
60
40 20
0
8 2
46
9 3
12
6
N
S
W
E
5
10
15
2
0
2
5
30
3
5
40
45
50
5
5
SPECIAL
FORCES
1000XL
UNDERWATER
DEMOLITION
TEAM
CHASE-DURER
BLACK STEEL
1000FT DEPTH
9 3
12
6
Setting crown in position 2
moves only the hour hand
Date changes each time
hour hand passes midnight
(24:00 hours)
21

3.
Setting TIME
31
60
40 20
0
8 2
46
9 3
12
6
N
S
W
E
5
1
0
15
2
0
25
30
35
40
45
5
0
55
SPECIAL
FORCES
1000XL
UNDERWATER
DEMOLITION
TEAM
CHASE-DURER
BLACK STEEL
1000FT DEPTH
9 3
12
6
2 3
1
Date changes each time
hour hand passes midnight
(24:00 hours)
Setting Crown in position 3
Stops Second Hand
and adjusts both hour
and minute hands*
*Note - For precise setting of time, it is recommended to adjust the minute hand past the
required time and turn backwards to the desired minute.