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SOG
The SOG Tomcat 1.0 (Model S4) is the first-generation version of SOG's legendary heavy-duty folding knife. Introduced in 1988, it won the "Overall Knife of the Year" award at the Blade Show for its innovative design that brought the strength of a fixed-blade Bowie to a folding format.
The Tomcat S4 was produced across three main locations during its run: Santa Monica, CA (1988–1989); Edmonds, WA (1989–1995); and Lynnwood, WA (1996–2002). It is highly collectible today, particularly the early Seki-made models with original engravings.
SOG Tomcat 1.0 Model S4 ~ Seki Japan ~ Vintage
$399.99
Current stock:
1
SOG Tomcat 1.0 Model S4 ~ Seki Japan ~ Vintage
Key Specifications
| Feature | Details |
|---|---|
| Model Number | S4 |
| Blade Length | 3.75 inches |
| Blade Material | 440C Stainless Steel (earlier versions) |
| Blade Thickness | 0.20 inches (5mm) |
| Handle Material | Textured Kraton rubber with stainless steel bolsters |
| Lock Type | Lockback (Mid-lock) |
| Overall Length | 8.25 inches |
| Closed Length | 4.625 inches |
| Weight | ~8.0 oz |
| Origin | Seki, Japan |
Design & Build Description
- Blade Design: Features a wide, beefy clip-point blade reminiscent of the SOG Bowie. It is characterized by its thickness (0.2"), making it capable of "hard use" where typical folders might fail.
- Handle Ergonomics: The handle uses checkered Kraton rubber scales, providing an extremely secure, non-slip grip even in wet conditions. It is bookended by brushed stainless steel bolsters for added durability and a classic look.
- Locking Mechanism: Unlike later versions that use the Arc-Lock, the S4 model uses a traditional, heavy-duty lockback system. It features a "negative-draft" locking bar that relies on leverage for a rock-solid open position.
- Carry & Accessories: It was originally sold with a heavy-duty Cordura nylon sheathrather than a pocket clip, reflecting its identity as a belt-carried tool for field use.
Historical Significance
The Tomcat S4 was produced across three main locations during its run: Santa Monica, CA (1988–1989); Edmonds, WA (1989–1995); and Lynnwood, WA (1996–2002). It is highly collectible today, particularly the early Seki-made models with original engravings.
- Never used, carried or sharpened
- Original box
- Condition is mint
