Is the Casio F-91W better than the Orient Sun & Moon?

Neither is objectively better — they serve different preferences. The Casio F-91W (~$20) offers Quartz Module 593 with 7-Year Battery power reserve, while the Orient Sun & Moon (~$321) features Automatic Caliber F6B24 with 50m (5 ATM) water resistance. Choose based on your priorities: Casio (Japan) craftsmanship vs Made in Japan engineering.

Casio F-91W vs Orient Sun & Moon — which is better value?

The Casio F-91W offers better upfront value at $301 less. However, the Orient Sun & Moon may justify its premium with superior finishing, heritage, or resale value.

Can you wear the Casio F-91W and Orient Sun & Moon daily?

Both are suitable for daily wear. The F-91W at 35mm with 30m (Splash Resistant) water resistance handles everyday situations. The Sun & Moon at 41.5mm with 50m (5 ATM) is similarly capable. Both feature Acrylic for scratch resistance.

Head-to-Head Comparison

Casio F-91W vs Orient Sun & Moon

Name: Casio F-91W
Brand: Casio

Casio's timepiece meets Orient's dress watch

Quick Verdict

The Casio F-91W (~$20) offers Casio Digital Quartz (Battery) precision at $301 less than the Orient Sun & Moon (~$321). The Sun & Moon counters with Made in Japan craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective price points.

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

Casio

F-91W

~$20

Check Price Full Review

Orient

Sun & Moon

~$321

Check Price Full Review

Specifications Compared

Feature	Casio F-91W	Orient Sun & Moon
Price	~$20	~$321
Case Size	35mm	41.5mm
Movement	Quartz Module 593	Automatic Caliber F6B24
Caliber Type	Casio Digital Quartz (Battery)	Orient In-House Automatic (Hacking, Hand-Winding)
Power Reserve	7-Year Battery	40 Hours
Water Resistance	30m (Splash Resistant)	50m (5 ATM)
Crystal	Acrylic	Mineral Glass
Case Material	Resin	Stainless Steel
Origin	Casio (Japan)	Made in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Casio's design language vs Orient's approach

⚙️

Movement & Performance

Edge: Orient

Quartz Module 593 vs Automatic Caliber F6B24

📏

Wearability & Fit

Edge: Casio

35mm vs 41.5mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Casio

Casio is $301 more affordable

💧

Water Resistance

Edge: Orient

30m (Splash Resistant) vs 50m (5 ATM)

Our Verdict

Casio

F-91W

Choose the Casio F-91W if you prioritize Casio Digital Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 30m (Splash Resistant) water resistance. At ~$20, it delivers Quartz Module 593 with 7-Year Battery power reserve.

Check Price on Amazon

Orient

Sun & Moon

Choose the Orient Sun & Moon if you value Orient In-House Automatic (Hacking, Hand-Winding) technology, Made in Japan heritage, and 41.5mm proportions. At ~$321, the Automatic Caliber F6B24 with 40 Hours power reserve makes it a compelling choice.

Check Price on Amazon

Try Prime Free — Free Shipping on Both Watches

The Bottom Line

The Casio F-91W and Orient Sun & Moon represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Orient delivers Made in Japan engineering.

Frequently Asked Questions

More Comparisons

Tag Heuer Carrera Chronograph vs Casio F-91W

Tag Heuer's chronograph meets Casio's timepiece

Tag Heuer Carrera Chronograph vs Orient Sun & Moon

Tag Heuer's chronograph meets Orient's dress watch

Tissot PRX Powermatic 80 vs Casio F-91W

Two timepieces compared — ~$850 vs ~$20

Explore These Watches

Casio F-91W — Full Review Orient Sun & Moon — Full Review Browse All Guides