Head-to-Head Comparison

Tudor Black Bay 58 vs Casio F-91W

Tudor's diver meets Casio's timepiece

Quick Verdict

The Casio F-91W (~$20) delivers Casio Digital Quartz (Battery) technology at $4,460 less than the Tudor Black Bay 58 (~$4,480). The Black Bay 58 justifies its premium with Swiss Made heritage and Automatic Manufacture Calibre MT5402. Both represent excellent choices in the luxury watch category.

Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.

Tudor Black Bay 58

Tudor

Black Bay 58

~$4,480

Specifications Compared

FeatureTudor Black Bay 58Casio F-91W
Price~$4,480~$20
Case Size39mm35mm
MovementAutomatic Manufacture Calibre MT5402Quartz Module 593
Caliber TypeIn-House Automatic Manufacture (Kenissi)Casio Digital Quartz (Battery)
Power Reserve70 Hours7-Year Battery
Water Resistance200m (20 ATM)30m (Splash Resistant)
CrystalDomed SapphireAcrylic
Case Material316L Stainless SteelResin
OriginSwiss MadeCasio (Japan)

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Tudor's design language vs Casio's approach

⚙️

Movement & Performance

Edge: Tudor

Automatic Manufacture Calibre MT5402 vs Quartz Module 593

📏

Wearability & Fit

Edge: Casio

39mm vs 35mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Casio

Casio is $4,460 more affordable

💧

Water Resistance

Edge: Tudor

200m (20 ATM) vs 30m (Splash Resistant)

Our Verdict

Tudor

Black Bay 58

Choose the Tudor Black Bay 58 if you prioritize In-House Automatic Manufacture (Kenissi) engineering, Swiss Made craftsmanship, and 200m (20 ATM) water resistance. At ~$4,480, it delivers Automatic Manufacture Calibre MT5402 with 70 Hours power reserve.

Check Price on Amazon

Casio

F-91W

Choose the Casio F-91W if you value Casio Digital Quartz (Battery) technology, Casio (Japan) heritage, and 35mm proportions. At ~$20, the Quartz Module 593 with 7-Year Battery power reserve makes it a compelling choice.

Check Price on Amazon

The Bottom Line

The Tudor Black Bay 58 and Casio F-91W represent two distinct approaches to fine watchmaking — the Tudor bringing Swiss Made tradition while Casio delivers Casio (Japan) engineering.

Frequently Asked Questions