The Titanium Field Guide

Knot TSC-39 Titanium Solar Chronograph

TSC-39RGGR

The Knot TSC-39 Titanium Solar Chronograph is a 39 mm titanium chronograph with an Epson VS72 solar quartz movement. At a list price of $211, only three of the 132 other titanium chronographs in production, leaving out the fashion brands cost less. At 34.5 g, only one of the 37 other titanium chronographs weighed without a bracelet is lighter.

All Knot watchesChronograph watchesUnder $500MicrobrandLightweightLightest, rankedSolar
Price
≈$211 (¥33,350)
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Weight
34.5 g (head only)
Water resistance
100 m
Reference
TSC-39RGGR
Type
Chronograph
Case diameter
39.0 mm
Thickness
11.5 mm
Origin
Japan
Movement
Solar quartz chronograph with alarm
Caliber
Epson VS72
Complications
Chronograph
Colour
Grey
Surface treatment
Matte
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Sold without a strap; straps chosen separately
Crystal
Sapphire, non-reflective coating
Display back
No
Dial
Grey
Dial colours
Grey
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Lug-to-lug, Power reserve, Hardness, Construction, Caseback, Matching bracelet
Medium confidence Verified Oct 2026 Source: Knot (TSC-39RGGR)
Facts are free to cite with a link.
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More watches from Knot

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Frequently asked questions

What grade of titanium is the Knot TSC-39 Titanium Solar Chronograph?

Titanium, with no grade stated. The record is at medium confidence, so check the maker's page before relying on it.

What size is the Knot TSC-39 Titanium Solar Chronograph?

The case is 39 mm across and 11.5 mm thick. It is water resistant to 100 m.

How much does the Knot TSC-39 Titanium Solar Chronograph weigh?

About 34.5 g for the watch head alone.

How much does the Knot TSC-39 Titanium Solar Chronograph cost, and is it available?

It is in production, at a list price of $211.

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