G. Gerlach · Microbrand · Poland
G. Gerlach Otago Heart of Darkness
- Seagull ST2551
- 42 mm
- Sapphire crystal
- 200 m water resistance
Where to buy
Movement
- Caliber
- Seagull ST2551
- Type
- Automatic
- Tier
- Mid
- Complications
- Date
- Frequency
- 21,600 bph
- Power reserve
- —
- Hacking
- Yes
- Accuracy (factory)
- —
Case
- Diameter
- 42 mm
- Lug to lug
- 50 mm
- Thickness
- —
- Lug width
- 22 mm
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 200 m
- Crown
- —
- Case back
- —
- Bezel
- —
- Colour coating
- Black PVD
Crystal & dial
- Crystal
- Sapphire
- Shape
- —
- Anti-reflective
- —
- Lume
- Luminous hands and markers (compound not stated)
Bracelet & clasp
- Style
- —
- Links per row
- —
- Solid end links
- —
- Solid links
- —
- Link attachment
- —
- Taper
- —
- Quick release
- —
- Half links
- —
- Clasp
- —
- Micro-adjust
- —
- Diver extension
- —
Straps
- Strap 1
- Nylon, Offered instead of the bracelet
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
Prices
About this entry
53% of key specs known. Missing: thickness, weight, hardening, AR coating, crown, bracelet links, end links, link attachment, clasp micro-adjust.
Polish name OTAGO Jądro Ciemności. Specs from the brand's technical specification: Seagull ST2551 with hacking and hand winding (45h, 21,600 vph), 42x50 mm 316L case with black PVD, WR 200, sapphire crystal, luminous hands and markers, black PVD steel bracelet (22mm) or a nylon strap instead. Both listings were out of stock on 2026-10-31, so status is unknown. The brand's store is bilingual and lists the watch twice, as a Polish and an English product at the same price; both pages are listed as stores and prices cite the English one.
Last verified: 2026-10-31. Edit or correct this entry.
Sources
- G. Gerlach, OTAGO Heart of Darkness (English product page) accessed 2026-10-31
- G. Gerlach, Zegarek OTAGO Jądro Ciemności (Polish product page) accessed 2026-10-31
- G. Gerlach store data (description, options and prices in PLN) accessed 2026-10-31