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Brand: Tissot
Collection: Seastar 1000 (T-Sport series)
Reference number: T120.410.27.051.00
Type: Diver’s watch
Movement: Swiss Quartz
Origin: Swiss Made
Release category: Modern Seastar 1000 (40 mm quartz variant)
Case material: 316L stainless steel
Bezel: Black ceramic unidirectional rotating dive bezel
Crown: Screw-down crown with crown guards
Diameter: 40 mm
Thickness: ~9.97–10 mm
Lug width: 20 mm
Case shape: Round
Case back: Solid screw-down
The ceramic bezel improves scratch resistance and is designed for dive timing.
Water resistance: 300 m / 30 bar / 1000 ft
Meets key requirements of professional dive watches.
Includes:
- screw-down crown
- unidirectional dive bezel
- high-contrast luminous markers
These features make it suitable for scuba diving and water sports.
Movement type: Swiss Quartz
Caliber: ETA F06.412
Accuracy: High quartz precision
Special function: EOL (End-of-Life indicator) – seconds hand jumps when battery is low
Quartz is chosen for accuracy, reliability, and low maintenance.
Dial color: Black sunray dial
Indices: Applied luminous markers
Hands: Luminous diver-style hands
Date window: At 6 o’clock
Lume: Super-LumiNova on hands and markers
This layout gives excellent readability in low-light or underwater conditions.
Material: Scratch-resistant sapphire crystal
Coating: Double-sided anti-reflective coating
This improves visibility and durability compared to mineral glass.
Material: Black rubber strap
Clasp: Stainless steel pin buckle
Quick-release system: Yes
Comfort: Designed for sports and diving
Rubber straps are preferred for dive watches because they resist saltwater and sweat.
Diameter: 40 mm
Thickness: ~10 mm
Weight: ~72–75 g
This size is considered very wearable, especially for wrists 16–19 cm.
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