What are the case specifications of the Seiko Astron?

The Seiko Astron features a 43.4mm diameter, 14.1mm thick case with a sapphire crystal crystal.

What is the water resistance of the Seiko Astron?

The Seiko Astron has a water resistance rating of 100m (swimming).

What movement does the Seiko Astron use?

The Seiko Astron is powered by a Solar, caliber 5X83.

Seiko Astron

Solar

Ref. SBXC158

Collection: AstronCase size: 43.4mmMovement: 5X83

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Last updated 8 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Diameter

43.4mm

Thickness

14.1mm

Lug to Lug

49.5mm

Water Resistance

100m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Solar

Caliber

5X83

Jewels

14 jewels

BRACELET/STRAP

Clasp Type

Fold Clasp

FEATURES & COMPLICATIONS

ChronographGMTLimited EditionLuminous handsLuminous indicesPVD/DLC coatingPerpetual calendarPower Reserve DisplaySolar watchWeekdayWorld time watch

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QUICK FACTS

BRAND

Seiko

REFERENCE

SBXC158

COLLECTION

Astron

MOVEMENT

Solar

CALIBER

5X83

CRYSTAL

Sapphire Crystal

WATER RESISTANCE

100m (swimming)

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Last updated 8 Oct 2026Suggest a correction

FOR WATCH DEALERS

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Seiko Astron

TECHNICAL SPECIFICATIONS

CASE

MOVEMENT

BRACELET/STRAP

FEATURES & COMPLICATIONS

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FOR WATCH DEALERS