Seagull 1963 Archimedes Spiral and Pulsemeter Edition
Technical Specs
Type: Manual-wind
Model: ST19
Jewels: 22
Description:
Self-winding mechanical movement beating at 21600 vibrations per hour, with a power reserve up to timed 37 hours/untimed 45 hours.
Description
Seagull 1963 Archimedes Spiral: Precision in Heritage
This Seagull 1963 Archimedes Spiral and Pulsemeter Edition adopts the ST1901 movement, inheriting the lineage of the Seagull 1963 Original Edition. It showcases a classic appearance with a polished 316L stainless steel case that exudes timeless charm. The Archimedean spiral in the center of the dial is a type of equiangular spiral, utilized for calibrating and measuring average speed.
The transparent caseback fully reveals the mechanical beauty of the ST1901 movement and the engraved words on it-- “天津手表厂” (Tianjin Watch Factory) and “空军” (Air Force), making it a timeless masterpiece. The watch comes equipped with a pulsemeter scale, allowing wearers to measure their heart rate with precision. This feature is particularly useful for individuals interested in monitoring their cardiovascular health during various activities.
Shape：Round
Material：316L Stainless Steel
Caseback：Transparent
Dimension：Ø 40 mm
Thickness：14.00 mm
Crystal: Domed Scratch-Resistant Sapphire Crystal
Water Resistance: 30 metres
Dial Color: White
Bracelet/Strap: Strap
Strap Color: Black
Material: Cow Leather
Buckle Type: Pin Buckle
Hours, minutes, small seconds at 9 o'clock
Flyback Chronograph Mechanism: central 60 seconds hand and 30 minutes counter at 3 o'clock.
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