Seiko ASTRON Handy Manual

11 12
Time zone display and list of time zones around the world
5
The displays of city code and the time difference from
UTC are Subject to change depending on model.
“·” between figures of the display of time difference
shows that there is a time zone in that place.
Display of
time difference
The following list shows the relationship between
displays of the bezel and dial ring and time difference
from the UTC.
Please refer to the second hand positions below to set
the time zone or to check the time zone setting.
DST (Daylight Saving Time) is used in time zones with a

mark.
In the Lord Howe Island time zone in Australia with a

mark, the time is
advanced by 30 minutes while Daylight Saving Time (Summer Time) is in effect.
This watch corresponds to DST in the Lord Howe Island time zone.
 The time zone of each region and DST (Daylight Saving Time) are as of
March 2015.
Display of time zone
Representative city names…28 cities
among the total of 40 time zones
around the world
Time difference…+14 hours ~ –12 hours
City
code
Display of time
difference
City name
UTC
± hours
BJS 8 Beijing +8
— • Eucla +8.75
TYO 9 Tokyo +9
ADL •

Adelaide +9.5
SYD 10

Sydney +10
— •

Lord Howe
Island
+10.5
NOU 11 Nouméa + 11
— •
Norfolk
Island
+11.5
WLG 12

Wellington +12
— •

Chatham
Islands
+12.75
TBU 13 Nuku’alofa +13
CXI 14 Kiritimati +14
— –12 Baker Island –12
MDY – 11
Midway
islands
–11
City
code
Display of time
difference
City name
UTC
± hours
LON UTC

London 0
PAR 1

Paris/

Berlin +1
CAI 2

Cairo +2
JED 3 Jeddah +3
— •

Tehran +3.5
DXB 4 Dubai +4
— • Kabul +4.5
KHI 5 Karachi +5
DEL • Delhi +5.5
— • Kathmandu +5.75
DAC 6 Dhaka +6
— • Yangon +6.5
BKK 7 Bangkok +7
City
code
Display of time
difference
City name
UTC
± hours
HNL –10 Honolulu –10
— •
Marquesas
Islands
–9.5
ANC –9

Anchorage –9
LAX –8

Los Angeles –8
DEN –7

Denver –7
CHI –6

Chicago –6
NYC –5

New York –5
— • Caracas –4.5
SDQ –4
Santo
Domingo
–4
— •

St. John’s –3.5
RIO –3

Rio de Janeiro –3
FEN –2
Fernando de
Noronha
–2
PDL –1

Azores –1

Seiko ASTRON Specifications

Frequency

frequency of crystal oscillator	32, 768 Hz
loss/gain (monthly rate)	±15 seconds

Operating Environment

operational temperature range	−10°C to +60°C
normal temperature range	5°C to 35°C

Power

power source	Secondary battery, 1 piece
duration of operation (fully charged)	Approximately 6 months
duration of operation (power save activated)	Approximately 2 years