Head-to-Head Comparison

Tudor Black Bay 58 vs Orient Kamasu Automatic Diver

Two divers compared — ~$4,480 vs ~$345

Quick Verdict

The Orient Kamasu Automatic Diver (~$345) delivers Orient In-House Automatic technology at $4,135 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 diver category.

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Tudor Black Bay 58

Tudor

Black Bay 58

~$4,480

Orient Kamasu Automatic Diver

Orient

Kamasu Automatic Diver

~$345

Specifications Compared

FeatureTudor Black Bay 58Orient Kamasu Automatic Diver
Price~$4,480~$345
Case Size39mm41.8mm
MovementAutomatic Manufacture Calibre MT5402Automatic Caliber F6922
Caliber TypeIn-House Automatic Manufacture (Kenissi)Orient In-House Automatic
Power Reserve70 Hours40 Hours
Water Resistance200m (20 ATM)200m (20 ATM)
CrystalDomed SapphireSapphire Crystal
Case Material316L Stainless SteelStainless Steel
OriginSwiss MadeMade in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Tudor's design language vs Orient's approach

⚙️

Movement & Performance

Edge: Tudor

Automatic Manufacture Calibre MT5402 vs Automatic Caliber F6922

📏

Wearability & Fit

Edge: Tudor

39mm vs 41.8mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Orient

Orient is $4,135 more affordable

💧

Water Resistance

Edge: Draw

200m (20 ATM) vs 200m (20 ATM)

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.

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Orient

Kamasu Automatic Diver

Choose the Orient Kamasu Automatic Diver if you value Orient In-House Automatic technology, Made in Japan heritage, and 41.8mm proportions. At ~$345, the Automatic Caliber F6922 with 40 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Tudor Black Bay 58 and Orient Kamasu Automatic Diver represent two distinct approaches to the diver category — the Tudor bringing Swiss Made tradition while Orient delivers Made in Japan engineering.

Frequently Asked Questions