Waldhoff · Microbrand · Germany
Waldhoff Seawolf
- Miyota 9130
- 43 mm × 13.85 mm
- Sapphire crystal
- 300 m water resistance
Where to buy
- Waldhoff (Icefall)Worldwide
- Waldhoff (Blackwater)Worldwide
- Waldhoff (Everfrost)Worldwide
Movement
- Caliber
- Miyota 9130
- Type
- Automatic
- Tier
- Mid
- Complications
- Date, Power reserve
- Frequency
- 28,800 bph
- Power reserve
- 40 h
- Hacking
- Yes
- Accuracy (factory)
- -10 / +30 s/day
Case
- Diameter
- 43 mm
- Lug to lug
- —
- Thickness
- 13.85 mm
- Lug width
- 22 mm
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 300 m
- Crown
- —
- Case back
- Solid, screw-down
- Bezel
- 60-minute dive, ceramic insert, lumed
- Helium valve
- Yes
Crystal & dial
- Crystal
- Sapphire
- Shape
- —
- Anti-reflective
- Yes (side not stated)
- Lume
- Swiss TriTec luminous (hands)
Bracelet & clasp
- Style
- —
- Links per row
- —
- Solid end links
- —
- Solid links
- Yes
- Link attachment
- —
- Taper
- —
- Quick release
- Yes
- Half links
- —
- Clasp
- —
- Micro-adjust
- —
- Diver extension
- Yes
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
- Stated weight (basis not given)
- 205 g
Prices
Variants
| Name | Reference |
|---|---|
| Icefall | MW-13A |
| Blackwater | MW-13B |
| Everfrost | MW-13C |
About this entry
63% of key specs known. Missing: lug-to-lug, hardening, crown, bracelet links, end links, link attachment, clasp micro-adjust.
Dive watch named after the USS Seawolf (SSN-21) submarine, with the Miyota 9130's power-reserve hand set beneath the 12 o'clock index on a multi-layer, Geneva-striped dial. Brand specs: 316L, 43mm, 13.85mm thick (crystal not mentioned), 22mm lugs, 300m, helium release valve at 2, ceramic bezel ring with recessed lume-filled numerals (dive scale from photos; rotation not stated), sapphire with AR coating (side not stated), screw-down caseback with embossed art, applied indices, diamond-cut hands with Swiss TriTec lume, steel bracelet with independent solid links and quick-release bars, 'safety clasp with extension system', 205 g (not stated what was weighed). Variants: Icefall (MW-13A), Blackwater (MW-13B, URL 'seawolf-challenger') and Everfrost (MW-13C, URL 'seawolf-polar-expedition'). Replaced by the Seawolf II, which the brand says builds on the original with a different movement; all three listings were sold out on 31 October 2026.
Last verified: 2026-10-31. Edit or correct this entry.
Sources
- Waldhoff, Seawolf Icefall product page accessed 2026-10-31
- Waldhoff, Seawolf Blackwater product page accessed 2026-10-31
- Waldhoff, Seawolf Everfrost product page accessed 2026-10-31