Orient Sun & Moon vs Tissot Seastar 1000 Automatic
Orient's dress watch meets Tissot's diver
Quick Verdict
The Orient Sun & Moon ($250–$500) offers Orient In-House Automatic (Hacking, Hand-Winding) precision in the tier below the Tissot Seastar 1000 Automatic ($500–$1,000). The Sun & Moon measures 41.5mm and is rated 50m (5 ATM). The Seastar 1000 Automatic counters with Swiss Made craftsmanship and 300m (30 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Orient Sun & Moon | Tissot Seastar 1000 Automatic |
|---|---|---|
| Price | $250–$500 | $500–$1,000 |
| Case Size | 41.5mm | 40mm |
| Movement | Automatic Caliber F6B24 | Automatic Powermatic 80 (Caliber 80.111) |
| Caliber Type | Orient In-House Automatic (Hacking, Hand-Winding) | ETA/Tissot Automatic |
| Power Reserve | 40 Hours | 80 Hours |
| Water Resistance | 50m (5 ATM) | 300m (30 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Orient's design language vs Tissot's approach
The Orient Sun & Moon features a Stainless Steel case at 41.5mm with Mineral Glass protection. The Tissot Seastar 1000 Automatic offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber F6B24 vs Automatic Powermatic 80 (Caliber 80.111)
The Sun & Moon runs the Automatic Caliber F6B24 (Orient In-House Automatic (Hacking, Hand-Winding), 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Seastar 1000 Automatic uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Seastar 1000 Automatic offers a longer power reserve.
Wearability & Fit
41.5mm vs 40mm — different wrist presence
At 41.5mm, the Sun & Moon has a bolder wrist presence compared to the Seastar 1000 Automatic at 40mm. Water resistance differs: 50m (5 ATM) vs 300m (30 ATM).
Value & Cost of Ownership
Orient sits in the lower tier
The Orient Sun & Moon sits at $250–$500 and the Tissot Seastar 1000 Automatic at $500–$1,000. On the specs that outlast any price: the Sun & Moon uses Mineral Glass with 40 Hours, against Sapphire Crystal and 80 Hours on the Seastar 1000 Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 300m (30 ATM)
The Sun & Moon is rated to 50m (5 ATM) while the Seastar 1000 Automatic handles 300m (30 ATM). The Seastar 1000 Automatic offers superior water resistance.
Our Verdict
Orient
Sun & Moon
Choose the Orient Sun & Moon if you prioritize Orient In-House Automatic (Hacking, Hand-Winding) engineering, Made in Japan craftsmanship, and 50m (5 ATM) water resistance. At $250–$500, it delivers Automatic Caliber F6B24 with 40 Hours power reserve.
Check Price on AmazonTissot
Seastar 1000 Automatic
Choose the Tissot Seastar 1000 Automatic if you value ETA/Tissot Automatic technology, Swiss Made heritage, and 40mm proportions. At $500–$1,000, the Automatic Powermatic 80 (Caliber 80.111) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Orient Sun & Moon and Tissot Seastar 1000 Automatic represent two distinct approaches to fine watchmaking — the Orient bringing Made in Japan tradition while Tissot delivers Swiss Made engineering.
Frequently Asked Questions
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.

