Zenith Defy Revival A3648 (microblasted titanium)

The Zenith Defy Revival A3648 (microblasted titanium) is a current-production diver watch with a grey titanium (grade undisclosed) case, finished with microblasted titanium; unidirectional rotating bezel. It measures 37.0 mm across, 15.5 mm thick, and is water resistant to 600 m. Inside is the Zenith Elite 670 automatic movement, with 50 h power reserve. Complications: Date. Priced from $8,200 (approx). Brand origin: Switzerland.

3 official photos · reader photos welcome

Reference

97.A3648.670.21.M3648

Type

Diver

Price

$8,200 · approx

Case diameter

37.0 mm

Thickness

15.5 mm

Lug-to-lug

–

Water resistance

600 m

Weight

–

Origin

Switzerland

Movement

Automatic

Caliber

Zenith Elite 670

Power reserve

50 h

Complications

Date

Material

Titanium

Grade / type

Titanium (grade undisclosed)

Colour

Grey

Hardness

–

Construction

–

Surface treatment

Microblasted titanium; unidirectional rotating bezel

Caseback

Titanium

Nickel-free

Not verified (clasp or buckle material not confirmed)

Bracelet / strap

Titanium

Matching bracelet

–

Crystal

Sapphire

Display back

Yes

Dial

Black and yellow

Lume

Super-LumiNova

Availability

Offered

Status

Current

Medium confidence Verified Jun 2026 Source: Zenith Maker / listing ↗

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