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Rolex Sea-Dweller 37 mm Ice Platinum
Rolex Sea-Dweller 37 mm Ice Platinum — Front view

Front view

Dial, hands and bezel as delivered.

Case-back view

Case-back view

Case-back engraving and, where fitted, the sapphire display.

Movement

Movement

Calibre with its finishing and decoration.

On the wrist

On the wrist

Worn shot for proportion and strap drape.

Rolex · Sea-Dweller

Rolex Sea-Dweller 37 mm Ice Platinum

Reference 44929OR.78

Reference at a glance

Brand
Rolex
Collection
Sea-Dweller
Model
Rolex Sea-Dweller 37 mm Ice Platinum
Reference number
44929OR.78
Year / era
2008 · 2000s — modern production
Complication
Chronograph
Movement
In-house automatic, Superlative Chronometer
Case material
Platinum 950
Dial type
Ice blue
Strap / bracelet
Alligator leather with folding clasp
Water resistance
30 m
Limited-edition status
Regular production, not a limited edition
Compare this reference

Case, dial & bracelet

Case dimensions
37 mm
Case thickness
12.6 mm
Case material
Platinum 950
Bezel
Bidirectional 24-hour Cerachrom
Crystal
Box sapphire with AR coating
Dial
Ice blue
Hands
Faceted dauphine hands, polished by hand
Indexes
Printed minute track with applied batons
Bracelet / strap
Alligator leather with folding clasp
Clasp / buckle
Folding clasp in matching case metal
Water resistance
30 m

Movement

Movement / calibre
Calibre 29A — In-house automatic, Superlative Chronometer
Movement type
Automatic with micro-rotor
Frequency
25,200 vph (3.5 Hz)
Power reserve
38 hours
Number of jewels
25 jewels
Complications
Chronograph
Functions
Dive time, running seconds
Watchmaker
The calibre is built in-house and adjusted in five positions before delivery.

Production & market

Production period
2008 – 2021
Limited-edition quantity
Not applicable
Current market information
Trades close to retail on the secondary market, with steady demand for full-set examples.

Designer

Marc Newson

Marc Newson is an Australian industrial designer whose work spans Qantas cabins, Apple hardware and Jaeger-LeCoultre's Atmos clocks; his watch design reduces the object to pure geometry and legibility.

Historical significance

Rolex Sea-Dweller 37 mm Ice Platinum sits within Rolex's Sea-Dweller line, introduced in 2008. It carries the house codes established since 1905 — platinum 950 case, ice blue dial and in-house automatic, superlative chronometer — and is one of the references collectors use to date the evolution of the collection.

Interesting facts

  • The reference was originally planned as a one-year run and stayed in the catalogue for well over a decade.
  • The movement's bridges are decorated even where they will never be seen once the watch is cased.
RO

The House

Rolex

Brand facts

Founding year
1905
Founder
Hans Wilsdorf
Headquarters
Switzerland
Tier
Luxury
Major collections
Submariner, Daytona, GMT-Master II, Datejust, Day-Date, Yacht-Master, Sky-Dweller, Explorer, Oyster Perpetual, Sea-Dweller, Air-King, 1908, Milgauss
Signature technologies
Proprietary case-hardening and polishing · Composite and ceramic case materials
Famous movements
In-house automatic, chronometer certified · In-house automatic chronograph · In-house automatic, Superlative Chronometer · In-house manual-winding
Notable watches
Rolex Submariner 44 mm Skeletonised Platinum (1978) · Rolex Submariner 36 mm Ice 18k (1981) · Rolex Submariner 42 mm Meteorite Quartz (1982) · Rolex Submariner 38 mm Silvered 18k (1989)

Brand history

Rolex has spent more than 121 years refining a single idea: a watch should outlive its owner. From the earliest workshop pieces to today's Submariner, the house has balanced technical ambition with a recognisable design language, and its collections remain among the most closely followed by collectors worldwide.

Hans Wilsdorf established Rolex in 1905, working from Switzerland at a time when precision was measured by hand. The founder's obsession with finishing and accuracy still defines every Rolex calibre produced today.

Historical milestones

  1. 1905

    Hans Wilsdorf founds Rolex in Switzerland.

  2. 1969

    The quartz era forces Rolex to redefine mechanical watchmaking.

  3. 1990

    Rolex enters the modern collector market with its signature lines.

  4. 2024

    Rolex continues to produce Submariner, Daytona, GMT-Master II and other icons in limited numbers.

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