CITIZEN CA4610-85M SUPER TITANIUM ZENSHIN ECO-DRIVE CHRONOGRAPH MEN WATCH

The Citizen CA4610-85M Zenshin Chrono is a working chronograph in Super Titanium — a material Citizen states is five times harder and 40% lighter than stainless steel, and scratch- and rust-resistant. On a 42.5mm chronograph with a full integrated bracelet, that weight difference is the whole argument: chronographs are usually the heaviest watch in a collection, and this one weighs around 103 grams.

The dial is a textured light blue framed by a black outer tachymeter scale, with a triple register layout in black and silver-tone and white picked out on the handset and applied indices. The contrast is what makes it legible — three black sub-dials on a pale blue field read instantly, which is more than most chronographs manage.

Underneath is the Eco-Drive Calibre B620. Any light charges it, and a full charge holds approximately nine months — no battery, ever, which matters on a chronograph because running the stopwatch is exactly what drains a conventional quartz cell. The chronograph measures to 1/5 second up to 60 minutes, with 12/24-hour time and a date. Sapphire crystal, screw-down caseback, stepped chronograph pushers, and 100-metre water resistance.

At a Glance

• BrandCitizen
• CollectionZenshin Chrono
• MovementEco-Drive Calibre B620
• Case Size42.5mm
• Thickness11.8mm
• WeightApprox. 103g
• Case MaterialSuper Titanium
• DialTextured Light Blue
• Chronograph1/5 Sec, to 60 Min
• GlassSapphire Crystal
• Power ReserveApprox. 9 Months
• Water Resistance100m (10 BAR)

Why You'll Love It

• A titanium chronograph solves the category's biggest problem. Chronographs carry more case and more bracelet than any other watch type, and this one comes in around 103 grams — roughly 40% lighter than the steel equivalent.
• Super Titanium is also five times harder than stainless steel and scratch- and rust-resistant, so unlike ordinary titanium it holds its finish rather than marking on the first desk edge.
• A chronograph that never needs a battery. Running the stopwatch is what flattens a conventional quartz cell fastest, so most owners stop using it — with Eco-Drive there is no reason to hold back.
• Nine months of reserve from a full charge. That is unusually long even by Eco-Drive standards and means the watch survives being set aside for most of a year.
• The light blue dial with black registers and black tachymeter scale is a genuinely uncommon combination — most chronographs at this level are black, white or navy. This one is recognisable across a room without being loud.
• The tachymeter scale on the outer ring is a real function, not decoration: time a measured distance and read speed directly off the bezel ring.
• Titanium is hypoallergenic, which matters on a larger watch that sits against the skin all day.
• The stepped chronograph pushers and stylised crown are finishing details you normally pay considerably more for, and they are what stop the case looking generic in profile.

Perfect For

• Chronograph Fans
• Titanium Watch Fans
• Sensitive Skin
• Long-Wear Comfort
• Active Professionals
• Beach & Pool
• Travel & Commuting
• Milestone Gift

Key Features

• Super Titanium case and bracelet with Duratect — Citizen's proprietary titanium alloy with surface hardening: five times harder and 40% lighter than stainless steel, scratch-resistant, rust-resistant and hypoallergenic.
• Citizen Eco-Drive Calibre B620 — powered by any light source, natural or artificial, with a power reserve of approximately nine months from a full charge. No battery replacement, ever.
• Chronograph to 1/5 second, up to 60 minutes — a stopwatch with genuine resolution, operated by stepped pushers either side of the crown.
• Outer tachymeter scale in black — read average speed directly off the dial after timing a measured distance.
• Triple register layout — three black sub-dials against the light blue field for high-contrast legibility, plus 12/24-hour time and a date display.
• Textured light blue dial — with silver-tone and white detailing on the handset and applied indices, both filled with luminous material.
• Sapphire crystal and screw-down caseback — rated 9 on the Mohs hardness scale, with a sealed screw-down back.
• Integrated Super Titanium bracelet — flows directly from the case in matching brushed and polished finishing, with a fold-over clasp and push-button release.
• Insufficient charge warning and overcharge prevention — the watch tells you when it needs light, and protects the cell once full.
• 100-metre water resistance (10 BAR) — rated for swimming and water sports. Not rated for scuba diving.

Technical Specifications

The Citizen CA4610-85M Zenshin Chrono is a 42.5mm men's Eco-Drive chronograph from Citizen's Integrated Super Titanium series, powered by the Calibre B620 with a power reserve of approximately nine months, an insufficient-charge warning and overcharge prevention. The silver-tone Super Titanium case measures 11.8mm thick with a 44mm lug-to-lug span, weighs approximately 103 grams, and features finely brushed and polished finishing, stepped chronograph pushers, a stylised crown, sapphire crystal and a screw-down caseback. The textured light blue dial carries a black outer tachymeter scale and a triple register layout in black, with silver-tone and white handset and applied luminous indices. Functions include a chronograph measuring to 1/5 second up to 60 minutes, 12/24-hour time and a date. Water resistant to 100 metres on an integrated Super Titanium bracelet.

Best Matched With

• Navy Polo
• White Linen Shirt
• Grey Chinos
• Light Denim
• Charcoal Knit
• Technical Outerwear
• White Sneakers

Frequently Asked Questions

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