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Seiko Astron

Seiko Astron

SolarTitanium

Ref. SSE115J1

Collection: AstronCase size: 44.8mmMovement: 8X22

The Seiko Astron, reference SSE115J1, has a 44.8 mm titanium case. The watch has world time, a perpetual calendar and a power reserve indicator. The case measures 12.4 mm thick, with a water-resistance rating of 100 metres. Solar-powered calibre 8X22 contains 8 jewels and operates for approximately 6 months when fully charged. Over the dial is a sapphire crystal with a Super Clear coating. The dial has a date display; the hands and indices carry LumiBrite. Movement accuracy is plus or minus 15 seconds per month without signal reception at temperatures between 5 and 35 degrees Celsius. A crocodile leather strap closes with a three-fold clasp with push-button release.

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Last updated 9 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

44.8mm

Thickness

12.4mm

Lug Width

22mm

Case Material

Titanium

Water Resistance

100m

Crystal

Sapphire Crystal

Bezel Material

Ceramic

MOVEMENT

Movement Type

Solar

Caliber

8X22

Jewels

8 jewels

BRACELET/STRAP

Bracelet/Strap

Crocodile Skin

Clasp Type

Fold Clasp

FEATURES & COMPLICATIONS

DateLuminous handsLuminous indicesPerpetual calendarPower Reserve DisplaySolar watchWorld time watch

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