Sinn

104 St Sa

Name: Sinn 104 St Sa
Brand: Sinn
Availability: InStock

41.0mm Popular Model Good Value

Low $1,178

Median $1,356

High $1,600

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The Sinn 104 St Sa has earned a loyal following as a versatile pilot’s watch with unmistakable German engineering. Introduced as a modern interpretation of Sinn’s classic tool watches, it bridges the gap between everyday wearability and professional-grade functionality. Its clean dial, bidirectional countdown bezel, and crisp day-date display make it a favorite for those who appreciate practical design rooted in aviation heritage.

Reference 104 St Sa comes in a 41mm stainless steel case with a sapphire crystal and exhibition caseback, housing the reliable Sellita SW220-1 automatic movement. Variants differ in dial color—black and white are most common—and in the choice of strap or bracelet. Prices vary based on condition, dial variant, and whether box and papers are included, with full sets and limited editions commanding a premium.

When considering a 104, check for recent service history, as regular maintenance ensures optimal performance of the SW220-1 caliber. The model’s 200-meter water resistance and anti-reflective sapphire make it suitable for daily use, but collectors often seek examples with minimal bezel wear and intact lume. Sinn’s direct sales model means pre-owned pieces typically hold value well, especially those in near-mint condition.

104 St Sa

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