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

Omega Speedmaster 3520.53 Box, Manual, Card - $2,850

Omega - 3520.53 · $2,850

Up for sale is my Omega Speedmaster 3520.53 Full Kit, measuring 39mm with an automatic movement and a steel case on an original Omega Steel bracelet.

Condition: good condition with usage marks and some patina
Size: 39mm diameter
Case material: steel
Bracelet size range: fits up to 7 inch wrists with extra links available

Posted at

Jan 1, 2026, 8:33 PM

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Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)

Omega - 105.003-65 · $10,995

This Omega Speedmaster Ed White Ref. 105.003-65 is a historic variant with a stunning brown tropical dial and matching tritium hands. It's one of the most collectible Speedmasters among enthusiasts due to its unique features and significance in Omega's history.

Condition: Very good condition, with signs of previous polish
Size: 39mm diameter
Year: 1965
Movement serviced: Yes, professionally serviced in July 2023

Posted at

Jan 1, 2026, 7:41 PM

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Omega Speedmaster Pro Moon Watch 3570.50 W/1498/840 Bracelet (Watch Only) $3800

OMEGA - 3570.50 · $3,800

This Omega Speedmaster Pro Moon Watch is being sold in pre-owned condition, with some marks on the hesalite crystal.

Condition: PRE-OWNED
Case size: 42MM
Box: NO
Card/papers: NO

Posted at

Jan 1, 2026, 7:11 PM

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Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set

Omega - 310.30.42.50.01.002 · $7,350

This is a brand new Omega Speedmaster Professional 'Sapphire Sandwich' 42mm watch, coming with a complete set including the watch itself, 11/2025 card, triple-boxed packaging, serial tag, manual, and Master Chronometer certification.

Condition: Like New
Case size: 42mm
Depth rating: 30m
Service history: Unknown

Posted at

Jan 1, 2026, 3:14 PM

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[WTS] 2025 Omega Speedmaster Professional “Sapphire Sandwich” Moonwatch – Latest Model, MINT OPEN BOX CONDITION – Ref. 310.30.42.50.01.002 – COMPLETE SET – USA Warranty thru Aug 2030 – $6,900 FIRM net + 🏷️ within CONUS ($9000 MSRP)

2025 Omega Speedmaster Professional “Sapphire Sandwich” Moonwatch – Latest Model, MINT OPEN BOX CONDITION – Ref. 310.30.42.50.01.002 – COMPLETE SET – USA Warranty thru Aug 2030 – $6,900 FIRM net + 🏷️ within CONUS ($9000 MSRP)

Omega - 310.30.42.50.01.002 · $6,900

The Omega Speedmaster Professional 'Sapphire Sandwich' Moonwatch is the latest generation with a Master Chronometer movement.

Condition: Mint open box condition, worn twice
Movement: Omega 3861 Master Chronometer
Crystal: sapphire crystal front and exhibition sapphire caseback
Case Size: 42mm diameter

Posted at

Jan 1, 2026, 2:35 PM

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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

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[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

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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

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