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Seiko Astron

Seiko Astron

SolarTitanium

Ref. SBXC107

Collection: AstronCase size: 42.7mmMovement: 5X53

The Seiko Astron, reference SBXC107, is a GMT watch with a 42.7 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 has a day display; the watch has a three-fold clasp with push-button release. The hands and indices carry LumiBrite. Movement accuracy is plus or minus 15 seconds per month without signal reception. A sapphire crystal with a Super Clear coating covers the dial.

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Last updated 9 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Diameter

42.7mm

Thickness

12.2mm

Lug to Lug

48mm

Case Material

Titanium

Water Resistance

100m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Solar

Caliber

5X53

Jewels

12 jewels

BRACELET/STRAP

Clasp Type

Fold Clasp

FEATURES & COMPLICATIONS

GMTLuminous handsLuminous indicesPerpetual calendarPower Reserve DisplaySolar watchWeekdayWorld time watch

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