The Titanium Field Guide

Seiko Essentials SUR373 (titanium)

The Seiko Essentials SUR373 (titanium) is a current-production dress watch with a Titanium (grade undisclosed) case, finished with two-tone brushed and polished. At 74 g it sits around the middle for dress watches in the guide, and is priced well under the $2,199 median for the category. It ships on a matching titanium bracelet rather than a strap.

Titanium dress watchesUnder $500Under 11 mm thickLightweightLightest, rankedOn a titanium bracelet
Price
$330
Titanium
Titanium (grade undisclosed)
Weight
74 g (with bracelet)
Water resistance
100 m
Type
Dress
Case diameter
40.2 mm
Thickness
8.4 mm
Lug-to-lug
47 mm
Origin
Japan
Movement
Quartz, plus or minus 15 seconds per month, approx. 3-year battery life
Caliber
Seiko 6N52
Complications
Date
Case shape
Round
Case colour
Natural / grey
Finish technology
Natural finish
Surface treatment
Two-tone brushed and polished
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Titanium bracelet, three-fold clasp with push-button release
Titanium bracelet
Standard
Crystal
Sapphire
Display back
No
Lume
LumiBrite on hands and indexes
Availability
Offered
Status
Current
Not published
Reference, Power reserve, Caseback, Dial Help verify
Medium confidence Verified Aug 2026 Source: Seiko Watch Corporation (SUR373 specifications) / Long Island Watch (discovery lead, authorised dealer listing) Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What grade of titanium is the Seiko Essentials SUR373 (titanium)?

The Seiko Essentials SUR373 (titanium) has a Titanium (grade undisclosed) case. It is recorded at medium confidence pending a maker-stated grade.

What size is the Seiko Essentials SUR373 (titanium)?

It is 40.2 mm in diameter, 8.4 mm thick, 47 mm lug to lug, and water resistant to 100 m.

How much does the Seiko Essentials SUR373 (titanium) weigh?

About 74 g (w/ bracelet).

How much does the Seiko Essentials SUR373 (titanium) cost, and is it available?

It is current-production and lists from $330.

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