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Seiko Astron

Seiko Astron

SolarTitanium

Ref. SSJ021J1

Collection: AstronCase size: 41.2mmMovement: 3X62

The Seiko Astron, reference SSJ021J1, has a titanium case measuring 41.2 mm across. This is a limited edition of 1200 pieces. The case is 12 mm thick, with a lug-to-lug measurement of 48.6 mm and a water-resistance rating of 100 metres. The movement is solar-powered calibre 3X62, which operates for approximately 6 months when fully charged. Over the dial is a sapphire crystal with an anti-reflective coating. The movement has an accuracy of minus 15 to plus 15 seconds per month. A titanium bracelet has a three-fold clasp with push-button release.

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Last updated 9 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

Limited Edition

1,200 pieces

CASE

Diameter

41.2mm

Thickness

12mm

Lug to Lug

48.6mm

Case Material

Titanium

Water Resistance

100m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Solar

Caliber

3X62

Jewels

10 jewels

BRACELET/STRAP

Bracelet/Strap

Titanium

Clasp Type

Fold Clasp

FEATURES & COMPLICATIONS

Limited EditionSolar watch

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FOR WATCH DEALERS

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