Grand Seiko

High-Beat Chronograph SLGC001

Reference Number :

SLGC001

Series : Evolution 9

Retail: $14,100

(As of: 01/2025)

This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Grand Seiko. If you are interested in selling this watch to us, you can contact us here.

Quick TakePeer into the soul of the Grand Seiko SLGC001 Tentagraph, and you'll find a symphony of precision engineering and rugged elegance. This isn't just another chronograph; it's a testament to Grand Seiko's relentless pursuit of horological perfection, clad in lightweight, high-intensity titanium that feels almost ethereal on the wrist despite its commanding 43.2mm presence. The dial, a captivating vista reminiscent of the majestic slopes of Mt. Iwate, draws you in, while the high-beat Caliber 9SC5 heart beneath pulses with unwavering accuracy. It's a watch that whispers of adventure, its ceramic bezel and 10-bar water resistance hinting at a readiness to tackle the elements. The Tentagraph doesn't shout its capabilities; it embodies them with a quiet confidence, a subtle flex of its 72-hour power reserve a mere hint of the powerhouse within. Each glance at the luminous hands slicing through the darkness, each push of the chronograph buttons a tactile delight, reinforces the feeling that this is more than a timepiece - it's a trusted companion for life's grandest expeditions, a wearable testament to the art of timekeeping, where every detail is a brushstroke of genius on the canvas of horology. It's the sort of watch you look at, smile, and begin to imagine every great adventure you'll share together.

DescriptionThe Grand Seiko SLGC001, designated as part of the Evolution 9 Collection, represents a significant advancement in the brand's horological pursuits as their first mechanical chronograph. This model is powered by the newly developed Caliber 9SC5, an automatic chronograph movement that builds upon the foundational architecture of the Caliber 9SA5. The 9SC5 is a high-beat movement operating at 10 beats per second, providing exceptional precision, with a mean daily rate deviation between +5 to -3 seconds. When cased and under normal usage, the accuracy is rated between +8 to -1 seconds per day, a testament to Grand Seiko's commitment to precision timekeeping. It has an impressive 72-hour power reserve. Furthermore, this chronograph movement is equipped with both 30-minute and 12-hour counters, allowing for extensive time measurement capabilities. The Tentagraph's movement has been rigorously tested to ensure accuracy, measured in six positions over 12 days before being cased, reflecting a meticulous quality control process.

From a construction standpoint, the SLGC001 features a case and bracelet crafted from high-intensity titanium. This material is approximately 30% lighter and exhibits superior scratch resistance than traditional stainless steel. The bezel is made of ceramic, another scratch-resistant material choice, further enhancing the watch's durability. The case measures 43.2mm in diameter, with a lug-to-lug distance of 51.5mm and a thickness of 15.3mm, contributing to a substantial yet manageable wrist presence. The watch is rated for water resistance up to 10 bar, making it suitable for surface-level aquatic activities, though not for deep-sea diving. Additionally, the watch is equipped with a screw-down crown and offers magnetic resistance up to 4,800 A/m, protecting the movement from the potentially disruptive effects of magnetic fields encountered in everyday environments. The design includes a box-shaped sapphire crystal with an anti-reflective coating on the inner surface, ensuring clear visibility of the dial. Hands and indices feature Lumibrite for enhanced legibility in low-light conditions, and the watch is fitted with a secure three-fold clasp with a push-button release. It weighs in at 154 grams. The case back is transparent, offering a view of the intricate movement within.

GenderMen

SignaturesGrand Seiko

Country of OriginJapan

Case Size43.2 mm

MovementAutomatic

Caliber9SC5

FunctionsChronograph, Hours, Minutes, Seconds, Date

Power Reserve72 Hours

Case MaterialsTitanium

Bezel MaterialsCeramic

Lug MaterialsTitanium

Case BackSapphire Crystal