Seagull Caliber 3600k St3600k

Seagull Caliber ST3600K

Seagull Caliber 3600k St3600k

Manufacturer Seagull
Caliber Number 3600K, ST3600K, ST36K, ST-3600K, ST36
Movement Type
Manual-wind
Jewels 17
Lignes
16.5”’
Diameter
36.60mm
Height
4.50mm thick
Beats per hour 21,600 vph
Hand Size 2.0mm / 1.15mm / 0.27mm (needs confirmed)
Anti-Shock System Incabloc
Hand-Windable? Yes
Hacking Seconds? No
Functions Hours, minutes, small seconds at 9:00
Country of Manufacture China
Known Models
Sea-Gull M222SK, Invicta 5001, Invicta 17265, Invicta 1090, Invicta 1088

This Seagull caliber 3600K was found in an Invicta watch. This movement is reportedly the same as the Tianjin caliber ST36. Tianjin and Seagull are the same company (Tianjin Seagull Watch Group), but they have offices in Tianjin, China as well as Hong Kong. Apparently the different caliber numbers correspond with where the movements ship out of. You’ll notice no engravings or inscriptions on the movement or rotor. Not even a jewel count.

ST3600 VS ST3600K:

Tianjin Seagull is known for their mechanical manual-wind caliber ST3600 which is an ETA 6497 clone movement. The K at the end of 3600K is essentially the skeletonized version of that movement.

Gold/Silver Tone:

The ST3600K is available in a steel (silver tone) finish and a gold tone finish. As far as we know, Seagull does not distinguish these options with different caliber numbers.

Replacement Prices:

At the time of this post, replacement prices for the Seagull caliber ST3600K were found online in the range of $75.25-88.77 USD.

Examples of watches with the ST3600K:

The ST3600K pictured below was found in this Invicta 5001.

Seagull Caliber 3600k

More watches with the ST3600K:

Additional Resources:

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