Seiko 5 vs Seiko Quartz SUR315

Side-by-side comparison of specifications and features

Seiko5

SNK809 (unisex)

SeikoQuartz

SUR315

Key Differences

Best Value

Seiko 5 (Ref. SNK809 (unisex))

Starting from $75

Best Water Resistance

Seiko Quartz (SUR315)

50m (2x more)

Biggest Price Drop

Seiko Quartz (SUR315)

-8.5% in 30 days

Price Comparison

Seiko 5

MSRP

$75

Used

$100

Seiko Quartz

MSRP

$135

New

$210

Used

$67

MSRP New (Amazon) Used (eBay)

Comparison of Seiko 5, Seiko Quartz
Specification	Seiko 5	Seiko Quartz
Pricing
MSRP	$75	$135
New Price	N/A	$210
Used Price (Low)	$100	$67
Used Price (High)	$3,554	$338
30-Day Trend	0.0%	↓ -8.5%
Used Price Range	$100 - $3,554	$67 - $338
Identity
Reference	SNK809 (unisex)	SUR315
Nickname	N/A	N/A
Style	Field, Casual	Dress, Casual
Release Era	2000s	2010s
Dimensions
Diameter	37mm	29mm
Thickness	N/A	N/A
Lug Width	N/A	N/A
Lug to Lug	N/A	N/A
Movement
Movement	Automatic	Quartz
Power Reserve / Battery	N/A	N/A
Accuracy	N/A	N/A
Case
Case Material	Stainless Steel	Stainless Steel
Crystal	Hardlex	Hardlex
Water Resistance	30m (splash resistant)	50m (swimming)
Bezel	Fixed	Fixed
Dial
Dial Color	Black	White
Luminous	Yes	No
Community
Review Rating	N/A	N/A
In Collections	N/A	N/A
On Wishlists	N/A	N/A
Forum Threads	N/A	N/A

Which Should You Buy?

Seiko 5 and Seiko Quartz SUR315 can overlap on price or use case, but the buying decision usually comes down to mechanical feel versus low-maintenance convenience, wrist presence versus easier fit, field character versus dress versatility. Start with fit first — case width and lug-to-lug usually matter more than secondary features if wrist comfort is a concern.

Bottom line

Fit is a real separator here — compare case width and lug-to-lug before deciding, especially if wrist comfort matters more than headline features. Choose Seiko 5 if you prefer more dial presence and a larger case feel; choose Seiko Quartz SUR315 if you want a smaller case footprint on the wrist.

Choose Seiko 5 when

Seiko 5 is a better fit for buyers who want more wrist presence, mechanical-watch enthusiasts, field styling.

Choose Seiko Quartz SUR315 when

Seiko Quartz SUR315 is a better fit for smaller wrists, low-maintenance daily wear, dress styling.

Key Differences

Movement and upkeep

Seiko 5: automatic movement

Seiko Quartz SUR315: quartz movement

Seiko 5 uses a automatic movement, while Seiko Quartz SUR315 uses a quartz movement — that changes day-to-day ownership, upkeep, and the overall feel on the wrist.

Size and wearability

Seiko 5: 37mm

Seiko Quartz SUR315: 29mm

Fit is a real separator here — compare case width and lug-to-lug before deciding, especially if wrist comfort matters more than headline features.

Water resistance

Seiko 5: 30m

Seiko Quartz SUR315: 50m

Water resistance is a meaningful separator here — the higher-rated option gives more flexibility for swimming or rougher daily use.

Price and value

Seiko 5: $75

Seiko Quartz SUR315: $116

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

Style and use case

Seiko 5: field

Seiko Quartz SUR315: dress

Seiko 5 leans more field, while Seiko Quartz SUR315 pulls toward dress use case — pick the one that matches how you will actually wear it.

Crystal and materials

Seiko 5: Hardlex crystal · steel

Seiko Quartz SUR315: Hardlex crystal · steel

Materials are broadly similar, so finish, fit, and price will matter more than the materials list alone.

Choose Seiko 5 If...

You prefer more dial presence and a larger case feel.
You prefer a mechanical watch experience and do not mind more upkeep.
You are specifically shopping for a field style watch.

Choose Seiko Quartz SUR315 If...

You want a smaller case footprint on the wrist.
You want a lower-maintenance daily watch.
You are specifically shopping for a dress style watch.

Price and Value Notes

Seiko 5 is often the value play at current pricing, while Seiko Quartz SUR315 makes more sense if you will use its extra features regularly.

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

Where to Check Deals

Check current deals on Amazon and eBay using the buttons below — listing prices, seller quality, and condition can change quickly.

Check current deals on Amazon and eBay

Prices change often, so compare the latest listings and condition options before you buy.

WatchCompared may earn a commission from qualifying purchases through affiliate links. This does not change your price.

Seiko 5

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $200 · New & used listings

Affiliate links — WatchCompared earns a commission on qualifying purchases. This doesn't affect your price.

Seiko Quartz

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $116 · New & used listings

Affiliate links — WatchCompared earns a commission on qualifying purchases. This doesn't affect your price.

Comparison FAQ

Which movement is easier to live with day to day?

Quartz and solar models are usually easier for grab-and-go use, while automatic and manual watches appeal more to buyers who enjoy the mechanical side of watch ownership.

Which one is better for smaller wrists?

Seiko Quartz SUR315 — it is 29mm wide versus 37mm.

Which is better for swimming or rough daily wear?

Seiko Quartz SUR315 — it is rated 50m versus 30m. Both are in the same broad bracket, so treat this as a tiebreaker rather than a deciding factor.

Is the more expensive one worth it?

Seiko 5 is the value pick at roughly $41 less. Pay more only if a specific difference above matters to you — otherwise the cheaper one is the smarter buy. Confirm live listings, since marketplace pricing moves.