Heimdallr HMSG11 Tuna Can

About this entry

73% of key specs known. Missing: case diameter, weight, hardening, bracelet offered.

Seiko Tuna-style shrouded diver. Heimdallr sells it as several store listings with the same case, movement and dimensions (316L, 14.5mm, 22mm lugs, Hangzhou 2565A, screw-down crown); the Black PVD and Full Steel listings name the model HMSG11. This file combines the Colorful (polished steel, five dials, rubber $139 or steel bracelet $149, crossed-out $289), Black PVD (black PVD case, black sandblasted shroud, ceramic insert with lumed triangle, rubber, $149, sold out on 2026-10-21) and Darth Engineer (black PVD, black dial with red accents, steel insert with lumed dot, black engineer bracelet, $199) listings. Size: the Colorful listing gives "47x47mm (with crown)" and 47mm lug-to-lug; the Black PVD listing says "Case diameter: 47mm" and the Darth listing "47x47mm" without saying whether the crown is included, so the diameter without crown is left blank. Water resistance: the Colorful and Darth listings say 200m (the Darth text "200 m / 200 ATM" is a typo); the Black PVD listing says "30bar/300 meters", but its own case back photo reads "200M water resistant" (the Colorful and Darth dials read 200m), so 200m is recorded. Crystal: sapphire with AR coating (Colorful, Darth); the Black PVD listing says only "sapphire crystal". Lume "Swiss Super Luminous C3" (green). The Colorful listing doesn't name its bezel insert material (black insert in photos). The spec blocks name a Hangzhou 2565A, but the case backs photographed for the Black PVD and Darth versions are engraved "Cal. NH35A", so earlier production used the Seiko NH35A. The Darth Engineer dial is printed "Limited Edition" and its case back "One out of hundred and fifty limited edition"; the listing text doesn't mention a limit and it has been listed since 2020. Weight not stated; bracelet construction and clasps not described. The file also includes the Full Steel listing (also "Model HMSG11": brushed 316L case and shroud, steel bezel insert with lumed dot at 12, black dial, sapphire with AR coating, "47x47mm", 14.5mm, 22mm lugs, screw-down crown, 200m written "200 m / 200 ATM"; rubber $149, crossed-out $259, or steel bracelet $159, crossed-out $279, the bracelet sold out on 2026-10-21) and the PVD Rose Gold listing (also "Model HMSG11", rose gold or black ceramic bezel, rubber only, $169, crossed-out $289, both sold out on 2026-10-21). The PVD Rose Gold listing's text is copied from the Black PVD listing ("PVD black", "black sandblasted protection shroud", "30bar/300 meters", "Case diameter: 47mm"), but its title, store options and photos show a rose gold PVD case and shroud and a dial printed 200m, so the photos are followed and 200m is kept. The Grade 3 titanium tuna is a separate listing.

Last verified: 2026-10-21. Edit or correct this entry.

Sources

• Heimdallr official store, Colorful Tuna Can Dive Watch accessed 2026-10-21
• Heimdallr official store, Black PVD Tuna Can Watch (Model HMSG11) accessed 2026-10-21
• Heimdallr official store, Darth Engineer Tuna Diver Watch accessed 2026-10-21
• Heimdallr official store, Full Steel Tuna Can Dive Watch (also "Model HMSG11", 200m) accessed 2026-10-21
• Heimdallr official store, PVD Rose Gold TUNA Dive Watch (Model HMSG11) accessed 2026-10-21