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16660 vs 116600

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Specification

Rolex

16660

Sea-Dweller

Triple Six

Rolex

116600

Sea-Dweller

SD4K

NicknameTriple SixSD4K
Production1983–19882014–2017
EraSapphire transition40mm ceramic revival
Statusdiscontinueddiscontinued
Case diameter40mm40mm
Case materialStainless steel904L (Oystersteel)
BezelUnidirectional 60-minuteUnidirectional 60-minute Cerachrom
Bezel materialAluminium insertCeramic (Cerachrom)
CrystalSapphire (no Cyclops)Sapphire (no Cyclops)
CrownTriplock; helium escape valveTriplock; helium escape valve
Water resistance1220m1220m
DialBlackBlack
Dial configurationMatte then glossy with white-gold surrounds
HandsMercedes handsMaxi Mercedes hands
LumeTritiumChromalight
Lume typeTritiumChromalight
MovementAutomaticAutomatic
Caliber30353135
ManufacturerRolexRolex
Windingautomaticautomatic
FunctionsHours, minutes, seconds, dateHours, minutes, seconds, date
BraceletOyster with Glidelock
Bracelet materialOystersteel