The Sea-Gull Open Heart is a mechanical wristwatch built around the ST2505 automatic movement with 38 jewels and a frequency of 21,600 vph. Its 44mm round case is made of 316L stainless steel and topped with synthetic sapphire crystal, while the open-heart dial reveals the running movement alongside a date calendar and an energy indicator.
The watch is completed with a leather strap measuring approximately 7.5 inches in length and 0.9 inches in width, secured by a push button hidden clasp. It is water resistant to 5 bar and weighs 111g.
Key Features
Brand
Sea-Gull
Model Number
219.17.1327/219.27.1327/219.97.1327
Item Type
Mechanical Wristwatch
Movement
ST2505
Number of Jewels
38
Movement Frequency
21600
Winding Mode
Automatic Winding
Case Material
316L Stainless Steel
Crystal Material
Synthetic Sapphire
Case Thickness
Approx. 0.5 in
Case Diameter
Approx. 1.7 in
Case Shape
Round
Lug-to-Lug
Approx. 2 in
Strap Material
Leather
Clasp
Push Button Hidden Clasp
Strap Length
Approx. 7.5 in
Strap Width
Approx. 0.9 in
Waterproof
5 Bar
Feature
Calendar
Net Weight
111g
Warranty
1 Year
Origin
Mainland China
Highlights
Open heart dial
Date calendar
Energy indicator
Automatic winding
5 bar water resistance
Videos
Materials & care
Case: 316L stainless steel
Crystal: synthetic sapphire
Strap: leather
Clasp: push button hidden clasp
What's included
Sea-Gull Open Heart watch
Carton packing box
Frequently asked questions
What movement powers this watch?
It uses the ST2505 automatic winding movement with 38 jewels and a frequency of 21,600 vph.
What is the case diameter and thickness?
The round case measures approximately 1.7 inches in diameter and 0.5 inches in thickness.
What is the water resistance rating?
The watch is water resistant to 5 bar.
What is included with the watch?
It comes in a carton packing box and includes a 1-year warranty.
