Which is cheaper, the TRIWA Ocean Timer Blue or the Undone Tachikoma?

At MSRP the TRIWA Ocean Timer Blue is the cheaper of the two at $118, against $320 for the Undone Tachikoma — a $202 gap before any retailer discounting.

Which is bigger, the TRIWA Ocean Timer Blue or the Undone Tachikoma?

The Undone Tachikoma wears larger at 41.8mm versus 40mm for the TRIWA Ocean Timer Blue — a 1.8mm difference across the dial.

What movement does the TRIWA Ocean Timer Blue run compared to the Undone Tachikoma?

Both watches run quartz movements — the TRIWA Ocean Timer Blue uses the Seiko VD32 and the Undone Tachikoma uses the Seiko VK63.

Side by side

TRIWA Ocean Timer BluevsUndone Tachikoma

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch

TRIWA Ocean Timer Blue

MSRP $118

See the full Ocean Timer Blue

Undone Tachikoma

MSRP $320

See the full Tachikoma

Buy from TRIWA ↗

Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

Buy from Undone ↗

Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

7 of 29 specs differ

Diameter

Ocean Timer Blue40mm

Tachikoma41.8mm

Power Reserve

Ocean Timer Blue—

Tachikoma—

Water Resistance

Ocean Timer Blue100m

Tachikoma100m

MSRP

Ocean Timer Blue$118

Tachikoma$320

Full specifications

Case

4 specs

Diameter

40mm

41.8mm

Thickness

0mm

12.7mm

Lug Width

20mm

0mm

Material

—

Stainless Steel

Crystal & Dial

1 specs

Crystal

Mineral

Sapphire

Movement

1 specs

Caliber

Seiko VD32

Seiko VK63

Pricing

1 specs

MSRP

$118

$320

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

BERNYmicro

Follow this matchup

Get a note when TRIWA Ocean Timer Blue vs Undone Tachikoma gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Straton Yacht Racer QuartzvsUndone Tachikoma Undone TachikomavsWolbrook Skindiver WT Chrono-Mecaquartz Dan Henry 1962vsUndone Tachikoma Akrone S-05 Orange VolcanovsUndone Tachikoma Duxot Accelero ChronographvsTRIWA Ocean Timer Blue Duxot Accelero Chronograph Compax Skeleton EditionvsTRIWA Ocean Timer Blue

Edit this comparison Add another watch Explore more 39–43mm watches

TRIWA Ocean Timer BluevsUndone Tachikoma

At a glance

Full specifications

More watches worth a look

BERNY-Women Quartz Moonphase Watch-2190L

NHRA 75 Red & Blue Chronograph

Viajero

DWC TRIPLE CROWN

Clubmaster Classic - Chrono

Accelero Chronograph

Milano Master Pilot

Mint Peak Summer Edition

Follow this matchup

People also compared