lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Diver under $2,000·Dress under $5,000·Chronograph under $5,000·Best sport watches·GMT under $5,000·Field under $500·Pilot under $2,000·Casual under $1,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Watch size chart·Wrist-fit calculator·Selling calculator·What should I buy?·Market index·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Get the app
Download on theApp StoreGET IT ONGoogle Play
TermsPrivacyDelete accountCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Loading watch
Home/Browse/Swatch/Masa
SpecStudio
Swatch Masa
Click to inspect
Swatch · Masa

Swatch Masa

Ref. SO28B100

$80Sold out

5 matched eBay listings

Buy from SwatchFind used on eBay

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links here are affiliate links. lug2lug may earn a commission at no extra cost to you. Disclosures

Case

Diameter
34mm
Thickness
8.75mm
Lug-to-lug
39.2mm
Material
Bio-sourced Material
Finish
Bio-sourced material
Water resistance
30m

Crystal & dial

Dial color
Black

Movement

Type
Quartz
Hacking
Yes
Hand-winding
Yes

Design language

Case shape
round
Dial style
matte
Bezel
none
Bracelet
rubber_strap

AI-detected from the product image

Alternatives

Market

Retail$80

eBay listings

  • New In Box Swiss Swatch Unisex Original MASA Black Silicone Watch 34mm SO28B100New with box and papers · US$65↗
  • LIMITED SWATCH SWISS MASA SO28B100 Black Original Bio SOurced MaterialNew with box and papers · US$65↗
  • Swatch Gent Masa SO28B100 Bio-Reloaded Collection - 2020 ReissuePre-owned - Fair · FR$70↗

Lowest displayed prices first.

Search eBay ↗

Matched listings from our latest checks; eBay may show additional results. We may earn a commission through these links at no extra cost to you.

Similar watches

Kleynod K 30L-133

Kleynod

K 30L-133

34mm · Quartz$315

BERNY Ultra-thin

BERNY

Ultra-thin

35mm · Quartz$50

Lilienthal Berlin Nuvora Mono Gold Stainless Steel Mesh

Lilienthal Berlin

Nuvora Mono Gold Stainless Steel Mesh

34mm · Quartz$219

Militado Military 6B Inspired Field

Militado

Military 6B Inspired Field

36mm · Quartz$49

Militado Retro Military Super 2035 ML13 Lug Width

Militado

Retro Military Super 2035 ML13 Lug Width

36mm · Quartz$69

BERNY Moonphase 2190L

BERNY

Moonphase 2190L

34mm · Quartz$58

View all alternatives

Community

“
Summary

The Swatch Masa (ref. SO28B100) is a quartz watch, with a 34mm bio-sourced material case, 8.75mm thick. Water resistance is rated to 30m. Manufacturer MSRP is $80.

Open the discussion

On real wrists

No shots yet. Show how it wears.

Related

Ask the communityStart a discussion about the Masa: get takes from other collectors.Ask →

Discussion