Seiko 5 Sports GMT SSK001 vs Timex Weekender Chronograph
Seiko's GMT watch meets Timex's chronograph
Quick Verdict
The Timex Weekender Chronograph ($50–$100) delivers Quartz Chronograph (Battery) technology in the tier below the Seiko 5 Sports GMT SSK001 ($250–$500). The Weekender Chronograph measures 40mm and is rated 30m (3 ATM). The 5 Sports GMT SSK001 justifies its premium with Made in Japan heritage and Automatic Caliber 4R34 (True GMT). Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Seiko 5 Sports GMT SSK001 | Timex Weekender Chronograph |
|---|---|---|
| Price | $250–$500 | $50–$100 |
| Case Size | 42.5mm | 40mm |
| Movement | Automatic Caliber 4R34 (True GMT) | Quartz Chronograph |
| Caliber Type | Seiko In-House Automatic GMT | Quartz Chronograph (Battery) |
| Power Reserve | 41 Hours | Battery |
| Water Resistance | 100m (10 ATM) | 30m (3 ATM) |
| Crystal | Hardlex Crystal | Mineral Glass |
| Case Material | Stainless Steel | Brass (Silver-Tone) |
| Origin | Made in Japan | Timex (USA Design) |
Category-by-Category Analysis
Design & Aesthetics
Seiko's design language vs Timex's approach
The Seiko 5 Sports GMT SSK001 features a Stainless Steel case at 42.5mm with Hardlex Crystal protection. The Timex Weekender Chronograph offers Brass (Silver-Tone) construction at 40mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber 4R34 (True GMT) vs Quartz Chronograph
The 5 Sports GMT SSK001 runs the Automatic Caliber 4R34 (True GMT) (Seiko In-House Automatic GMT, 41 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Weekender Chronograph uses the Quartz Chronograph (Quartz Chronograph (Battery), Battery reserve) at standard. The 5 Sports GMT SSK001 edges ahead on power reserve.
Wearability & Fit
42.5mm vs 40mm — different wrist presence
At 42.5mm, the 5 Sports GMT SSK001 has a bolder wrist presence compared to the Weekender Chronograph at 40mm. Water resistance differs: 100m (10 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Timex sits in the lower tier
The Seiko 5 Sports GMT SSK001 sits at $250–$500 and the Timex Weekender Chronograph at $50–$100. On the specs that outlast any price: the 5 Sports GMT SSK001 uses Hardlex Crystal with 41 Hours, against Mineral Glass and Battery on the Weekender Chronograph. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 30m (3 ATM)
The 5 Sports GMT SSK001 is rated to 100m (10 ATM) while the Weekender Chronograph handles 30m (3 ATM). The 5 Sports GMT SSK001 is better suited for water activities.
Our Verdict
Seiko
5 Sports GMT SSK001
Choose the Seiko 5 Sports GMT SSK001 if you prioritize Seiko In-House Automatic GMT engineering, Made in Japan craftsmanship, and 100m (10 ATM) water resistance. At $250–$500, it delivers Automatic Caliber 4R34 (True GMT) with 41 Hours power reserve.
Check Price on AmazonTimex
Weekender Chronograph
Choose the Timex Weekender Chronograph if you value Quartz Chronograph (Battery) technology, Timex (USA Design) heritage, and 40mm proportions. At $50–$100, the Quartz Chronograph with Battery power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Seiko 5 Sports GMT SSK001 and Timex Weekender Chronograph represent two distinct approaches to fine watchmaking — the Seiko bringing Made in Japan tradition while Timex delivers Timex (USA Design) 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.