
Ref. SBXC121
The Seiko Astron, reference SBXC121, is a GMT watch with a 43.1 mm titanium case. The watch has world time, a perpetual calendar and a power reserve indicator. The case is 12.2 mm thick, with a lug-to-lug measurement of 48 mm and a water-resistance rating of 100 metres. Solar-powered calibre 5X53 contains 12 jewels and operates for approximately 6 months when fully charged. The dial is covered by a sapphire crystal with a Super Clear coating. The dial has a day display; the watch has a three-fold clasp with push-button release. Movement accuracy is plus or minus 15 seconds per month without signal reception. The dial has LumiBrite on the hands and indices.
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TECHNICAL SPECIFICATIONS
CASE
Diameter
43.1mm
Thickness
12.2mm
Lug to Lug
48mm
Case Material
Titanium
Water Resistance
100m
Crystal
Sapphire Crystal
Bezel Material
Ceramic
MOVEMENT
Movement Type
Solar
Caliber
5X53
Jewels
12 jewels
BRACELET/STRAP
Clasp Type
Fold Clasp
FEATURES & COMPLICATIONS
More from Seiko
Other watches with the 5X53 calibre
FOR WATCH DEALERS
Trading the Seiko Astron?
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