The Titanium Field GuidePicks of the month

Seiko Lukia I Collection Titanium Solar Radio (All Black) (SSQW101)

The Seiko Lukia I Collection Titanium Solar Radio (All Black) (SSQW101) is a 27.7 mm titanium dress watch with a 1B32 solar quartz movement. The case is surface-hardened, which guards against the scuffs bare titanium picks up.

All Seiko watchesDress watchesUnder $500Under 11 mm thickOn a titanium braceletSolarCompact (38 mm and under)
Price
$469
Material
Titanium
Grade / type
Titanium (Diashield, black hard coating)
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
Black
Surface treatment
Black hard coating; 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
Black (pink-gold indices)
Dial colours
Black
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.
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Frequently asked questions

What grade of titanium is the Seiko Lukia I Collection Titanium Solar Radio (All Black) (SSQW101)?

Titanium, with no grade stated. The record is at medium confidence, so check the maker's page before relying on it.

What size is the Seiko Lukia I Collection Titanium Solar Radio (All Black) (SSQW101)?

The case is 27.7 mm across, 7.7 mm thick and 37 mm from lug to lug. It is water resistant to 100 m.

How much does the Seiko Lukia I Collection Titanium Solar Radio (All Black) (SSQW101) cost, and is it available?

It is in production, at a list price of $469.

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