Omega Speedmaster Speedmaster Broad Arrow

Reference CK2915-1

About this watch

The Omega CK2915-1 Speedmaster Broad Arrow is a masterpiece of horology, blending precision engineering with timeless design. Its storied past as part of the first generation of Speedmasters and its historical significance make it a worthy addition to any collection. With its sophisticated design, reliable movement, and elegant aesthetics, this watch continues to captivate collectors and casual wearers alike. The CK2915-1 features a hand-wound Omega Caliber 321, renowned for its reliability and precision. Its 44-hour power reserve ensures that your watch keeps ticking even when you take it off. With a frequency of 18,000 vibrations per hour, the Caliber 321 provides a rhythmic quality to its operation. The round stainless steel case strikes an ideal balance between vintage charm and modern functionality. The black dial is striking, with stick and dot indices that enhance legibility. The arrow hands add a unique touch, contributing to the watch’s sporty persona. They are luminescent, allowing for readability in low-light conditions.
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Key Features

  • Omega Caliber 321 movement
  • Hand-wound chronograph with column wheel mechanism
  • 44-hour power reserve
  • 18,000 vibrations per hour frequency
  • Stainless steel case with diameter of 38.60 mm
  • Black dial with stick and dot indices
  • Luminescent arrow hands

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Broad Arrow
Reference
CK2915-1
Movement
321
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph, Column wheel
Case
Stainless Steel 38.6mm
Dial Color
Black
Crystal
Plexi

Current Listings

[WTS] Omega Speedmaster Reduced 3510.50 – Papers & extra Uncle Seiko bracelet

Omega Speedmaster Reduced 3510.50 – Papers & extra Uncle Seiko bracelet

Omega - 3510.50 · $2,800
Up for sale is my Omega Speedmaster Reduced ref. 3510.50, a classic automatic Speedmaster in great overall condition.

  • Condition: Very good, with normal light wear consistent with use
  • Case size: 39mm diameter
  • Movement: Automatic chronograph
  • Year: 2005
Posted at
Jan 1, 2026, 12:09 PM
Active
[WTS] [EU] Omega Speedmaster Professional 145.022

[EU] Omega Speedmaster Professional 145.022

Omega - 145.022 · $1,250
This Omega Speedmaster Professional is a pre-owned watch in poor condition. The hesalite crystal is badly scratched, and the case and strap are worn out. The chronograph function is not working.

  • Condition: Bad
  • Service history: No service history
  • Chronograph buttons: Bottom button presses in, top button does not press in
  • Movement untouched: Minimum 40-50 years since last opened
Posted at
Jan 1, 2026, 6:56 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega - 145.022-69 · $5,425
A classic 1969 Omega Speedmaster Moonwatch featuring the step dial and flat case back, presenting beautifully in full steel with a warm yellow patina and grey 'ghost' bezel.

  • Condition: Serviced, lightly polished case with original step dial and tritium lume
  • Size: 42mm
  • Year: 1969
  • Movement serviced: true
Posted at
Jan 1, 2026, 3:18 AM
Active
[WTS] Omega Speedmaster Racing “Blue Dial” 40mm 326.30.40.50.03.001 | 2022 Box and Papers

Omega Speedmaster Racing “Blue Dial” 40mm 326.30.40.50.03.001 | 2022 Box and Papers

2022 Omega Speedmaster Racing "Blue Dial" 40mm watch with slight wear on the bracelet, sold in its original 2022 box and papers.

  • Condition: Excellent Pre-Owned Condition
  • Bracelet links: 12 full links, couple half links
  • Amp hours: 350
Posted at
Jan 1, 2026, 12:40 AM
Active
[WTS] OMEGA_Co-Axial_Speedmaster_Racing_326.30.40.50.01.002_Reverse_Panda

OMEGA_Co-Axial_Speedmaster_Racing_326.30.40.50.01.002_Reverse_Panda

A pre-owned OMEGA Co-Axial Speedmaster Racing watch in good condition, featuring a reverse panda dial. It comes with original authentication cards and an aftermarket box.

  • Condition: Pre-Owned, typical desk diving marks, scuffs on the clasp
  • Water Resistance: 30m
  • Strap Type: Leather, Hirsch
  • Buckle Type: Authentic 18mm OMEGA
Posted at
Dec 31, 2025, 7:21 PM
Active
[WTS] 2024 Omega Speedmaster Professional 3861 Sapphire Sandwich with OTF clasp

2024 Omega Speedmaster Professional 3861 Sapphire Sandwich with OTF clasp

Omega - 3861 · $6,599
The Omega Speedmaster Professional is a high-end watch featuring an updated clasp and full kit, along with its warranty. It has a good condition with just faint hairlines on the clasp.

  • Condition: excellent to near like new
  • Clasp type: On-the-Finger (OTF)
  • Warranty status: stamped Spring of last year
  • Condition notes: very faint hairlines on the clasp, zero gashes/dings
Posted at
Dec 31, 2025, 5:52 PM
Active
[WTS] Omega Speedmaster Mark II Ref 145.034 Chronograph Watch $1750

Omega Speedmaster Mark II Ref 145.034 Chronograph Watch $1750

Omega - 145.034 · $1,750
The listing is for a Omega Speedmaster Mark II Ref 145.034 Chronograph Watch.

Posted at
Dec 31, 2025, 5:10 PM
Active
[WTS] Omega Speedmaster 38mm

Omega Speedmaster 38mm

Rare Omega Speedmaster reference 324.30.38.40.06.001 with a stunning dark grey sunburst dial and sleek grey NATO strap.

  • Condition: Great condition
  • Diameter: 38mm
Posted at
Dec 31, 2025, 4:49 PM
Active
[WTS] Omega Speedmaster 3590.50

Omega Speedmaster 3590.50

  • Additional details:
Posted at
Dec 31, 2025, 2:11 PM
Active