Citizen Promaster Diver BN0150 vs Seiko Prospex Willard SPB153

Both are dive watches in the mid tier. In short: the Seiko Prospex Willard SPB153 is mechanical (automatic) for the enthusiast feel and no battery; the Citizen Promaster Diver BN0150 is solar / light-powered for accuracy and low maintenance. The Citizen Promaster Diver BN0150 is solar / light-powered, 200m water resistance, 44mm, mineral crystal; the Seiko Prospex Willard SPB153 is automatic, 200m water resistance, 43mm, sapphire crystal.

Last verified 2026-06-27 · specs from manufacturer data · tier = price band, confirm the live price at the retailer

Spec	Citizen Promaster Diver BN0150	Seiko Prospex Willard SPB153
Movement	Solar / light-powered	Automatic
Water resistance	200m	200m
Case size	44mm	43mm
Crystal	mineral	sapphire
Style	Dive	Dive
Price tier	Mid	Mid

Which should you buy?

The Seiko Prospex Willard SPB153 is mechanical (automatic) for the enthusiast feel and no battery; the Citizen Promaster Diver BN0150 is solar / light-powered for accuracy and low maintenance
The Seiko Prospex Willard SPB153 has a sapphire crystal — more scratch-resistant for daily wear

Where to buy

Citizen Promaster Diver BN0150See price on AmazonCheck price

Seiko Prospex Willard SPB153See price on AmazonCheck price

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FAQ

What's the difference between the Citizen Promaster Diver BN0150 and the Seiko Prospex Willard SPB153?
Both are dive watches in the mid tier. The Citizen Promaster Diver BN0150 is solar / light-powered, 200m water resistance, 44mm, mineral crystal; the Seiko Prospex Willard SPB153 is automatic, 200m water resistance, 43mm, sapphire crystal.

Which is better value, the Citizen Promaster Diver BN0150 or the Seiko Prospex Willard SPB153?
Both sit in the mid tier, so it comes down to movement, water resistance and case size — see the spec table above.

Citing these specs? Go ahead — manufacturer data, last verified 2026-06-27. Copy a ready-made reference:

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