User's Manual

MIL-PRF-46374G
5
TABLE I. Operating environment.
Environment Limits Duration
Simple harmonic vibration
Amplitude of 0.762 ± 0.127 mm
(1.524 ± 0.254 mm total excursion)
Amplitude of 0.030 ± 0.005 inch
(0.060 ± 0.010 inches total excursion)
Frequencies varied uniformly between
30 Hz to 60 Hz to 30 Hz
20 minutes with vibration
perpendicular to dial
20 minutes with vibration
in plane of dial and in
direction from 12 to 6
20 minutes with vibration
in plane of dial and in
direction from 9 to 3
Shock Drop from height of 50 cm (19.7
inches), uncontrolled, onto vinyl tile 3
mm (1/8 inch) thick affixed to
concrete block
Once
Storage
-45 °C ± 1.1 °C (-50 °F ± 2 °F)
15.5 °C to 32.2 °C (60 °F to 90 °F)
60 °C ± 1.1 °C (140 °F ± 2 °F) and
≥50 percent relative humidity
15.5 °C to 32.2 °C (60 °F to 90 °F)
24 hours
24 hours
24 hours
24 hours
Water resistance Complete immersion in distilled water
with approximately 1 percent by
weight wetting solution under one
atmosphere (14.7 psi) and at room
temperature
Complete immersion in distilled water
with approximately 1 percent by
weight wetting solution under three
atmospheres (44.1 psi) and at room
temperature
5 minutes
5 minutes
Water leakage Submerged in a measured volume of
distilled or deionized water, equal to
approximately 10 times the volume of
the watch, at 23 °C ± 1 °C
(73 °F ± 3 °F)
24 hours
Magnetism, type I 14.5 to 15.5 Gauss magnetic field,
stem parallel to direction of field
10 cycles of 3 seconds on
- 3 seconds off
Magnetism, types II and III
125 ± 1 Gauss magnetic field, stem
parallel to direction of field
10 minutes