Sea-Gull GMT Dual Time Zone Pilot Watch 42mm

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This Sea-Gull pilot watch pairs a 42mm round 316L stainless steel case with a leather strap and pin buckle, giving it a classic aviator profile on the wrist. The ST2502 automatic movement, with 29 jewels and a frequency of 21,600 vph, powers the calendar, luminous and GMT functions, so a second time zone stays readable at a glance.

A synthetic sapphire crystal protects the dial, and 5 bar water resistance covers everyday wear. The watch measures approximately 14mm thick with a 52mm lug-to-lug span and a 20mm strap width, and it weighs 92g.

Key Features

Brand Sea-Gull
Product Type Mechanical Wristwatch
Model Number 819.17.6157/819.27.6157/819.37.6157/819.77.6157
Movement ST2502
Winding Mode Automatic Winding
Number of Jewels 29
Movement Frequency 21600
Case Material 316L Stainless Steel
Crystal Material Synthetic Sapphire
Case Shape Round
Case Diameter Approx. 1.65 in
Case Thickness Approx. 0.55 in
Lug-to-Lug Approx. 2.05 in
Strap Material Leather
Clasp Pin Buckle
Strap Length Approx. 7.48 in
Strap Width Approx. 0.79 in
Waterproof 5 Bar
Feature Calendar, Luminous, GMT
Net Weight 3.25 oz
Warranty 1 Year

Highlights

Features

Waterproof: 5 Bar

Feature: Calendar, Luminous, GMT

Materials & care

  • Wipe the 316L stainless steel case and synthetic sapphire crystal with a soft, dry cloth.
  • Keep the leather strap away from water and prolonged moisture to preserve its finish.
  • Avoid exposing the watch to harsh chemicals or solvents.

Sizing & fit

The round case measures approximately 42mm in diameter with a 52mm lug-to-lug span, and the leather strap is approximately 19cm long and 20mm wide.

How to use

Wind the crown to start the ST2502 automatic movement, then set the calendar, luminous hands and GMT second time zone using the crown positions.

Frequently asked questions

What movement powers this Sea-Gull watch?

It uses the ST2502 automatic winding movement with 29 jewels and a frequency of 21,600 vph.

What are the case dimensions?

The round 316L stainless steel case measures approximately 42mm in diameter, 14mm thick, with a 52mm lug-to-lug span.

What is the strap size?

The leather strap is approximately 19cm long and 20mm wide, and it fastens with a pin buckle.

How much does the watch weigh?

The net weight is 92g.