The Titanium Field Guide

Seiko Prospex LX Line SNR025

The Seiko Prospex LX Line SNR025 is a current-production other watch with a Titanium (Super Titanium) case, finished with super-hard coating. It measures 44.8 mm across, 14.7 mm thick, and is water resistant to 200 m. Inside is the Seiko 5R66 spring drive (gmt) movement, with 72 h power reserve. Complications: GMT, Date, Power reserve. Priced from $5,300 (approx). Brand origin: Japan.

Titanium other watchesGMT
Reference–
TypeOther
Price$5,300 · approx
Case diameter44.8 mm
Thickness14.7 mm
Lug-to-lug–
Water resistance200 m
Weight–
OriginJapan
MovementSpring Drive (GMT)
CaliberSeiko 5R66
Power reserve72 h
ComplicationsGMT, Date, Power reserve
TitaniumTitanium (Super Titanium)
Surface treatmentSuper-hard coating
Nickel-freeYes
Bracelet / strapTitanium
CrystalSapphire
Display backNo
DialBlack
LumeLumiBrite
AvailabilityOffered
StatusCurrent
High confidence Verified 2026-06-22 Source: Seiko Maker / listing ↗
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