The Titanium Field Guide

Seiko Prospex LX Line SNR031 vs Tudor Pelagos Ultra 1000M

The Seiko Prospex LX Line SNR031 and the Tudor Pelagos Ultra 1000M are both titanium diver watches. This is a side-by-side of their case size, weight, titanium grade, movement, water resistance, and price, drawn from the verified specs in the Titanium Field Guide.

SeikoProspex LX Line SNR031
TudorPelagos Ultra 1000M
Price$6,500$5,950
Case diameter44.8 mm43.0 mm
Thickness14.7 mm14.5 mm
Lug-to-lug
Water resistance300 m1000 m
Weight110 g (head)117 g (w/ bracelet)
Titanium gradeTitanium (Super Titanium)Grade 2
Surface treatmentDLC coatingNone (Grade 5 caseback)
MovementSpring DriveAutomatic (COSC + Master Chronometer)
Power reserve72 h65 h
ComplicationsPower reserveDate
CrystalSapphireSapphire, AR coated
Bracelet / strapSilicone strapTitanium bracelet (T-Fit clasp) + rubber
OriginJapanSwitzerland
ConfidenceMediumHigh

Full details: Seiko Prospex LX Line SNR031 · Tudor Pelagos Ultra 1000M

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