The Titanium Field Guide

Seiko Lukia I Collection Titanium Solar Radio (SSQW100)

The Seiko Lukia I Collection Titanium Solar Radio (SSQW100) is a current-production dress watch with a titanium (diashield) case, finished with diashield super-hard coating. It is priced under the $648.50 median for the category. It ships on a matching titanium bracelet rather than a strap.

All Seiko watchesWatch dress watchesUnder $500Under 11 mm thickOn a titanium braceletSolarCompact (38 mm and under)
Price
$497
Material
Titanium
Grade / type
Titanium (Diashield)
Water resistance
100 m
Type
Dress
Case diameter
27.7 mm
Thickness
7.7 mm
Lug-to-lug
37 mm
Origin
Japan
Movement
Solar radio-controlled
Caliber
1B32
Complications
Time only
Colour
Grey
Surface treatment
Diashield super-hard coating
Finish technology
Surface hardening
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Titanium bracelet
Matching bracelet
Standard
Crystal
Sapphire
Display back
No
Dial
White mother-of-pearl (champagne-gold bezel)
Dial colours
White Gold Champagne
Availability
Offered
Status
Current (2026 Happy Collection)
Not published
Reference, Weight, Power reserve, Hardness, Construction, Caseback, Lume
Medium confidence Verified Aug 2026 Source: Seiko Spec checksGrade Jul 2026Price Aug 2026
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
See it in the interactive guideGet new-watch alertsContribute a photo or review

Browse all watch comparisons →

Similar watches

Citizen xC Mizu Collection (ES9460-88W)CitizenxC Mizu Collection (ES9460-88W)$40929.0 mm8.2 mm thickDresssame category · same style · similar price · similar sizeCitizen xC Mizu Collection (ES9464-52A)CitizenxC Mizu Collection (ES9464-52A)$42429.0 mm8.2 mm thickDresssame category · same style · similar price · similar sizeCitizen xC Daichi Collection (Sun and Moon) (EE1004-57A)CitizenxC Daichi Collection (Sun and Moon) (EE1004-57A)$43429.0 mm8.8 mm thickDresssame category · same style · similar price · similar sizeCitizen xC Hikari Collection (ES9497-96A)CitizenxC Hikari Collection (ES9497-96A)$44427.0 mm8.2 mm thickDresssame category · same style · similar price · similar sizeCitizen xC Hikari Collection (ES9496-64W)CitizenxC Hikari Collection (ES9496-64W)$44427.0 mm8.2 mm thickDresssame category · same style · similar price · similar sizeCitizen xC Hikari Collection (ES9490-52D)CitizenxC Hikari Collection (ES9490-52D)$44427.0 mm8.2 mm thickDresssame category · same style · similar price · similar sizeCitizen xC Daichi Collection (Sun and Moon) (EE1004-73W)CitizenxC Daichi Collection (Sun and Moon) (EE1004-73W)$44429.0 mm8.8 mm thickDresssame category · same style · similar price · similar sizeCitizen xC Hikari Collection Duratect Amber Yellow (ES9492-57D)CitizenxC Hikari Collection Duratect Amber Yellow (ES9492-57D)$45827.0 mm8.2 mm thick35 gDresssame category · same style · similar price · similar size

Alternatives to the Seiko Lukia I Collection Titanium Solar Radio (SSQW100)

Citizen xC Mizu Collection (leather) (ES9463-04A)CitizenxC Mizu Collection (leather) (ES9463-04A)$40929.0 mm8.2 mm thickDresssame category · same style · similar price · similar sizeCitizen Xc Daichi Collection (EE1002-01W)CitizenXc Daichi Collection (EE1002-01W)$41929.0 mmDresssame category · same style · similar price · similar sizeCitizen Xc (EC1165-51W)CitizenXc (EC1165-51W)$41928.0 mmDresssame category · same style · similar price · similar sizeCitizen Xc (EC1164-53W)CitizenXc (EC1164-53W)$41928.0 mmDresssame category · same style · similar price · similar sizeCitizen xC Mizu Collection (diamond crown) (ES9465-50W)CitizenxC Mizu Collection (diamond crown) (ES9465-50W)$47829.0 mm8.2 mm thickDresssame category · same style · similar price · similar sizeCitizen Xc Mizu Collection New Time New Me Limited Model (ES9464-52B)CitizenXc Mizu Collection New Time New Me Limited Model (ES9464-52B)$48829.0 mmDresssame category · same style · similar price · similar size

More watches from Seiko

Seiko Prospex Shogun Titanium (SPB191)SeikoProspex Shogun Titanium (SPB191)$1,20043.5 mm13.3 mm thick99 gDiver
SeikoProspex "Cave Diver" Shogun Titanium (SPB349)$1,50043.5 mmDiverSeiko Prospex SeikoProspex "Cave Diver" Shogun Titanium (SPB351)$1,50043.5 mmDiver
SeikoProspex "Cave Diver" Shogun Titanium (SPB357)$1,50043.0 mmDiverSeiko Prospex Marinemaster Professional 600m Titanium (SBDX067)SeikoProspex Marinemaster Professional 600m Titanium (SBDX067)$4,60045.4 mmDiverSeiko Prospex LX Line Spring Drive GMT Titanium (SNR035)SeikoProspex LX Line Spring Drive GMT Titanium (SNR035)$5,25044.8 mmOther

Frequently asked questions

What is the case material of the Seiko Lukia I Collection Titanium Solar Radio (SSQW100)?

The Seiko Lukia I Collection Titanium Solar Radio (SSQW100) has a titanium (diashield) case. It is recorded at medium confidence pending a maker-stated material.

What size is the Seiko Lukia I Collection Titanium Solar Radio (SSQW100)?

It is 27.7 mm in diameter, 7.7 mm thick, 37 mm lug to lug, and water resistant to 100 m.

How much does the Seiko Lukia I Collection Titanium Solar Radio (SSQW100) cost, and is it available?

It is current-production and lists from $497.

All Seiko watches · Watch dress watches · All 1,600 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions

Report an error on this page · how corrections work