1950 Omega Seamaster Jumbo Cal. 265
Brand
Omega
Series
Seamaster (Vintage)
Catalogue Reference
Jumpo CK2544-1 (Caliber 12034059)
Production Year
1950
Movement Type
Mechanical Winding
Style
Dress Watch
Mechanical
A watch powered by a traditional mechanical movement, typically requiring manual winding to operate, without the use of batteries or electronic components.
Gold Plated 80 ㎛
A high-quality thick 80-micron gold-plated finish on the watch.
Movement with production number 12034059, dating the watch back to 1950
Case
Diameter
40 mm
Thickness
8 mm
Material
Gold plated 80 ㎛
Water Resistance
Water Resistant
Finishing Details
Polished
Bezel
Without bezel
Crown Type
Push/Pull
Crystal
Acrylic
Caseback
Without decoration
Dial
Color
Whith
Dial Markers
Arabic Numerals
Finishing Details
Applied Indeces
Luminiscent Indexes
None
Calendar
Without Calendar
Bracelet
Material
Lizard Leather
Buckle Type
Butterfly Deploy Clasp
Width
20 mm
Color
Black
Omega Cal. 265
Caliber series with small sub second:
- 30: 15 jewels, no shock protection
- 30T1: 15 jewels, no shock protection
- 30T2: 15 jewels, no shock protection
- 30T2PC: 15 jewels, Incabloc
- 260: =30T2 since 1949, 15 jewels
- 261: 17 jewels, antimagnetic
- 262: 17 jewels, excenter regulator
- 265: 15 jewels, antimagnetic
- 266,267: 17 jewels, antimagnetic
- 268: ring- instead screw balance
- 269: flat- instead Breguet-hairspring
Caliber series with Central Sweep second:
- 30SC: 16 jewels, no shock protection
- 30T1: 16 jewels, no shock protection
- 30T2SC: 16 jwwels, no shock protection
- 30T2SCPC: 17/18 jewels, Incabloc
- 280: =Omega 30SC T2 since 1949, 17 jewels
- 281: 17 jewels, excenter regulator
- 283,284: 17 jewels, antimagnetic
- 285: ring- instead screw balance
- 286: flat- instead Breguet-hairspring
Manufacturer
Omega
Model
Cal. 265
Type
Mechanical Winding
Frequency
18000 A/h
Jewels
15 (Fifteen) Jewels
Reserve
45 Hours
Functions
Hours, Minutes, Sub Seconds at 6 o'clock