Seiko Astron 50th Anniversary Limited Edition Watch-SSH023


Today, 50 years after the Seiko Quartz Astron ushered in the quartz revolution, the enduring popularity, ubiquity and versatility of this remarkable technology have all been proven beyond any expectation. The Quartz Astron changed the way the world told time, astonishing people with its accuracy of +5 to -5 seconds per month. It also shaped the whole future of the electronics industry as several of its inventions, including the tuning fork shaped quartz oscillator, are still used in an extraordinary range of horological and non-horological devices alike, from clocks to personal computers to mobile phones. It is no exaggeration to say that, since 1969, Seiko’s quartz technology has touched the lives of nearly all mankind and continues to play a central role in our ever-changing modern world.

Category: ASTRON





Reference number: SSH023
Collection: Astron
Dial color: Black
Bezel material: Ceramic
Bezel color: Black
Case size: 42.7 mm
Case material: Stainless steel (super hard coating)
Case color: Black
Crystal: Sapphire crystal with super-clear coating
Case thickness: 13.5 mm
Water Resistance: 10 bar, 100 meters (330 feet)


Strap type: Stainless steel (super hard coating)
Strap color: Black
Closure: Tri-fold push button release clasp


Movement: GPS solar
Caliber: 5X53
Jewels: 12
Power reserve: Operating for approx. 6 months (when fully charged)

Key Features

The 1969 Quartz Astron 50th Anniversary Limited Edition
Limited edition of 1,500
Solar GPS Dual Time
Powered by light energy – no battery change required
Perpetual day and date calendar correct to the year 2100
High-speed GPS time zone adjustment
Dual time indicator (39 time zones)
Time transfer function
AM/PM indicator
Signal reception result indicator
Daylight saving time function
Power save function
4,800 A/m magnetic resistance
Blue dial
Quartz crystal-shaped hands
Date calendar
LumiBrite hands and markers
Additional silicone strap included


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