Seiko Prospex LX Line SNR051
The Seiko Prospex LX Line SNR051 is a current-production watch with a titanium (super titanium) case, finished with super-hard coating. It is priced well above the $1,425 median across the guide. The maker states no nickel-bearing steel at any skin-contact point, across the case, caseback and bracelet.




- Type
- Other
- Case diameter
- 44.8 mm
- Thickness
- 14.7 mm
- Origin
- Japan
- Movement
- Spring Drive (GMT)
- Caliber
- Seiko 5R66
- Power reserve
- 72 h
- Complications
- GMT, Date, Power reserve
- Colour
- Grey
- Surface treatment
- Super-hard coating
- Finish technology
- Surface hardening
- Caseback
- Titanium
- Nickel-free
- Maker states none
- Bracelet / strap
- Titanium
- Crystal
- Sapphire
- Display back
- No
- Dial
- Blue
- Dial colours
- Blue
- Lume
- LumiBrite
- Availability
- Offered
- Status
- Current
- Not published
- Reference, Lug-to-lug, Weight, Hardness, Construction, Matching bracelet
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Frequently asked questions
Is the Seiko Prospex LX Line SNR051 nickel-free?
On the maker's published specification, no nickel-bearing steel touches the skin: a titanium (super titanium) case with a titanium caseback, plus a non-steel crown and bracelet and clasp. That is what the guide records rather than a test of the watch, so confirm the contact points with the maker before buying if you react to nickel.
What is the case material of the Seiko Prospex LX Line SNR051?
The Seiko Prospex LX Line SNR051 has a titanium (super titanium) case with a titanium caseback. This is confirmed against the maker spec.
What size is the Seiko Prospex LX Line SNR051?
It is 44.8 mm in diameter, 14.7 mm thick, and water resistant to 100 m.
How much does the Seiko Prospex LX Line SNR051 cost, and is it available?
It is current-production and lists from $6,000.
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