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1665 vs 126603

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Specification

Rolex

1665

Sea-Dweller

Double Red / Great White

Rolex

126603

Sea-Dweller

NicknameDouble Red / Great White
Production1967–19832019–present
EraFirst Sea-Dweller43mm two-tone
Statusdiscontinuedcurrent
Case diameter40mm43mm
Case materialStainless steelYellow Rolesor (Oystersteel + 18k yellow gold)
BezelUnidirectional 60-minuteUnidirectional 60-minute Cerachrom
Bezel materialAluminium insertCeramic (Cerachrom)
CrystalAcrylic (no Cyclops)Sapphire with Cyclops
CrownTriplock; helium escape valve
Caseback typeScrew-down solid, engraved
Water resistance610m1220m
DialBlackBlack or slate
Dial configurationDouble-red text (DRSD) early, then single-line 'Great White'
HandsMercedes hands
LumeTritium
Lume typeTritium
MovementAutomaticAutomatic
Caliber15753235
ManufacturerRolexRolex
Windingautomaticautomatic
Power reserve~70 hours
FunctionsHours, minutes, seconds, dateHours, minutes, seconds, date
BraceletOyster (Rolesor) with Glidelock
AliasesDRSD

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