Tissot Seastar 1000 Automatic 40 mm Quartz Blue Dial

Swiss Built Dive Watch with Everyday Performance

The Tissot Seastar 1000 40 mm (ref. T1204101104100) is a refined blend of sport capability and everyday versatility, designed for those who appreciate a robust diver that doesn’t sacrifice style. With its striking ocean-blue dial and reliable Swiss quartz movement, this version of the Seastar 1000 is ideal for both aquatic adventures and daily wear.

Inspired by Tissot’s long heritage of precision, this model pairs classic dive aesthetics with high-performance technical features, all presented at an accessible price point that appeals to enthusiasts and casual wearers alike.

Key Features

• Swiss Quartz Movement (F06.412) Durable and accurate with a battery-end-of-life (EOL) indicator.

• 40 mm Stainless Steel Case Balanced wrist presence for most wearers.

• Blue Dial & Bezel High-contrast visibility with luminescent hands and markers.

• Uni-Directional Rotating Bezel Trusted feature for safe timing during dives and water activities.

• Scratch-Resistant Sapphire Crystal with double-sided anti-reflective coating.

• Date Display at 6 o’clock Essential day-to-day functionality.

• Interchangeable Quick-Release Bracelet Easy strap customisation for a personalised look.

• Water Resistance: 30 bar (300 m / 1000 ft) Professional dive-level protection.

• Folding Clasp with Safety Push-Buttons Secure on the wrist for active use.

Product Specifications

Model Reference
T1204101104100

Movement
Swiss Quartz, calibre F06.412 with EOL battery indicator

Case Diameter
40 mm

Case Material
316L Stainless steel

Crystal
Scratch-resistant sapphire with anti-reflective coating

Dial
Blue with luminescent hands and markers

Bezel
Unidirectional rotating (blue)

Bracelet
Stainless steel quick-release removable bracelet

Water Resistance
30 bar / 300 metres / 1000 feet

Functions
Hours, minutes, seconds, date

Warranty
2-year manufacturer warranty

Enthusiast’s Insight

The Tissot Seastar 1000 40 mm Quartz enjoys a solid following among enthusiasts who value Swiss reliability in a diver format that doesn’t overwhelm the wrist. At this size, many find it approaches a “wear-all-day” fit; comfortable for both office and leisure use with its steel bracelet and 40 mm diameter providing a versatile silhouette.

Collectors frequently highlight the blue dial variant for its ocean-inspired visual appeal, noting how it can shift subtly in different lighting conditions for a lively wrist presence.

The quartz F06.412 movement, while not mechanical, is appreciated for its reliable accuracy and minimal maintenance, with an end-of-life indicator that reminds wearers when the battery is nearing depletion, a practical touch often overlooked in this price segment.

Dive watch fans particularly value the 300 m water resistance and uni-directional bezel, features that truly translate to underwater performance rather than mere dress-watch styling. Yet, the interchangeable strap system also allows easy personalisation, so users often swap the bracelet for a rubber or leather strap to match varied looks.