Seestern · Factory brand · China
Seestern S434
- Seiko NH35A
- 39.5 mm × 13 mm
- Sapphire crystal
- 200 m water resistance
Movement
- Caliber
- Seiko NH35A
- Type
- Automatic
- Tier
- Entry
- Complications
- Date
- Frequency
- 21,600 bph
- Power reserve
- 41 h
- Hacking
- Yes
- Accuracy (factory)
- -20 / +40 s/day
Case
- Diameter
- 39.5 mm
- Lug to lug
- —
- Thickness
- 13 mm
- Lug width
- —
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 200 m
- Crown
- —
- Case back
- Solid
- Bezel
- 60-minute dive, ceramic insert, lumed
Crystal & dial
- Crystal
- Sapphire
- Shape
- —
- Anti-reflective
- —
- Lume
- BGW9 on hands, numerals and indices
Bracelet & clasp
- Style
- —
- Links per row
- —
- Solid end links
- —
- Solid links
- —
- Link attachment
- —
- Taper
- —
- Quick release
- —
- Half links
- —
- Clasp
- Push-button fold-over
- Micro-adjust
- —
- Diver extension
- —
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
Prices
Variants
| Name | Reference | Dial | Bezel |
|---|---|---|---|
| Black and Gold | S434.04 V2 | black | black ceramic insert, gold-tone bezel edge |
| Blue and Gold | S434.05 V2 | blue | blue ceramic insert, gold-tone bezel edge |
About this entry
47% of key specs known. Missing: lug-to-lug, lug width, weight, hardening, AR coating, crown, bracelet links, end links, link attachment, clasp micro-adjust.
Seestern's "Series: S434", sold on Sugess's store as two listings titled S434.04 V2 and S434.05 V2 (SKU names "gold black" and "gold blue"): black or blue dial with a matching ceramic insert, gold-tone bezel edge and crown, gold-tone hands and numerals. Not the same watch as the S434-2 (its own series line, 39mm, display caseback). Brand specs: 316L case, 39.5mm, 12mm thick or 13mm with the crystal, sapphire crystal, BGW9 lume, lumed ceramic bezel insert, NH35A, 200m, steel bracelet with a "micro adjust clasp" (how it adjusts is not stated). The SeaQ design reference is from the store's URL handles ("seaq-s434"). The 60-minute bezel scale, push-button clasp and solid caseback engraved with the Seestern star are from the product photos. Lug-to-lug, lug width, crown type, weight and AR coating are not stated, and no review with measurements was found. The store's "compare at" prices are not recorded.
Last verified: 2026-10-25. Edit or correct this entry.
Sources
- Sugess Official, Seestern S434.04 V2 (black dial, gold-tone bezel) accessed 2026-10-25
- Sugess Official, Seestern S434.05 V2 (blue dial, gold-tone bezel) accessed 2026-10-25