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116600 vs 126600

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Specification

Rolex

116600

Sea-Dweller

SD4K

Rolex

126600

Sea-Dweller

SD43

NicknameSD4KSD43
Production2014–20172017–present
Era40mm ceramic revival43mm, Cyclops added
Statusdiscontinuedcurrent
Case diameter40mm43mm
Case material904L (Oystersteel)Oystersteel
BezelUnidirectional 60-minute CerachromUnidirectional 60-minute Cerachrom
Bezel materialCeramic (Cerachrom)Ceramic (Cerachrom)
CrystalSapphire (no Cyclops)Sapphire with Cyclops
CrownTriplock; helium escape valveTriplock; helium escape valve
Caseback typeScrew-down solid
Water resistance1220m1220m
DialBlackBlack
Dial configurationRed 'Sea-Dweller' text (50th-anniversary revival)
HandsMaxi Mercedes handsMaxi Mercedes hands
LumeChromalightChromalight
Lume typeChromalightChromalight
MovementAutomaticAutomatic
Caliber31353235
ManufacturerRolexRolex
Windingautomaticautomatic
Power reserve~70 hours
FunctionsHours, minutes, seconds, dateHours, minutes, seconds, date
BraceletOyster with GlidelockOyster with Glidelock
Bracelet materialOystersteelOystersteel