Quartz, mineral glass, 49.3mm steel case— 20-bar. Fine metallic silver and square build forge a prestige street armor, tailored to high-fashion.
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Oak Collection • Ref. GM-2100YM-8AER
Toughness has never looked this refined. The GM-2100YM-8AER is G-Shock's answer to those who demand the legendary shock resistance and 20-bar water protection of the G-Steel line while wearing a case that turns heads for all the right reasons. The Fine Metallic Silver finish gives this icon a new dimension — cool, urban, and unmistakably bold.
Designed for any wrist and any lifestyle, the unisex GM-2100YM-8AER sits at the intersection of street culture and precision engineering. It is a watch that makes a statement before you even glance at the time.
Reference: GM-2100YM-8AER • Collection: Oak G-Steel
Why this watch stands apart
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● G-Steel Stainless Steel Case The stainless steel bezel is not just decorative — it is the armour that defines the G-Steel line. Combining the shock-absorbing resin core of classic G-Shock with a metallic outer shell, the GM-2100YM-8AER delivers superior protection with a premium finish that simply ages better than plastic alone. |
● 20-Bar Water Resistance Rated to 200 metres, this G-Shock takes on surfing, swimming, and snorkelling without hesitation. Whether you are caught in a downpour or diving into the sea, the GM-2100YM-8AER is built to come back with you — every single time. |
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● Quartz Chronograph Movement The reliable quartz movement ensures precision timekeeping day after day, with zero compromise. The integrated chronograph adds a layer of sporting functionality — lap times, elapsed time, split seconds — making this watch as useful as it is wearable. |
● Unisex Design & Silicone Strap Gender-free by design, the Oak GM-2100YM-8AER adapts to any style. The silicone strap is lightweight, sweat-resistant, and comfortable for all-day wear, while the 16 mm lug width and 49.3 x 44.4 mm octagonal case create a silhouette that feels both athletic and contemporary. |
Design that commands attention
The Oak silhouette is inspired by the iconic octagonal shape of the Royal Oak — a nod to fine watchmaking heritage filtered through G-Shock’s indestructible DNA. The Fine Metallic Silver dial plays with light and shadow, offering a mix of analog and digital reading that is as functional as it is visually striking.
Every edge of the case is intentional: the polished stainless steel bezel catches the light while the resin structure underneath absorbs whatever the world throws at it. Form and function, inseparable.
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A collector’s piece with everyday credentials
The Oak G-Steel line has rapidly become one of the most sought-after references in the G-Shock universe. Its nod to haute horlogerie aesthetics paired with the uncompromising toughness of G-Shock makes the GM-2100YM-8AER a natural talking point for collectors who appreciate watches that carry cultural weight as much as technical merit.
Economically, it offers an entry point into the world of metallic G-Shock at a fraction of the cost of luxury sport watches, with none of the fragility. The quartz movement requires minimal servicing, and the robust construction means this watch will still be performing decades from now.
Oak G-Steel Collection — G-Shock Since 1983
Whether it is your first G-Shock or the crown jewel of your collection, the GM-2100YM-8AER delivers on every promise: the indestructibility G-Shock is famous for, a design sophisticated enough to wear anywhere, and a silver dial that catches the eye of those who know. This is a watch that earns its place on your wrist — and keeps it for years to come.
Casio G-Shock GM-2100YM-8AER• Oak G-Steel • Fine Metallic Silver • Quartz Chronograph • Mineral Glass • 20 Bar • 49.3 x 44.4 mm • Unisex
Ref. GM-2100YM-8AER
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