Seiko NE88A
Factory specs
- Caliber
- NE88A
- Made in
- Japan
- Frequency
- 28,800 bph (4 Hz)
- Power reserve
- 45 h
- Jewels
- 34
- Hacking
- Yes
- Hand winding
- Yes
- Accuracy
- -15 / +25 s/day
- Diameter
- 28.6 mm
- Height
- 7.62 mm
- Functions
- Hours, Minutes, Small seconds, Date, Chronograph
- Same family
- Seiko NE86A
Column-wheel, vertical-clutch automatic chronograph sold to third parties by Seiko Instruments / Time Module (TMI); Timefactors calls it the Seiko 8R28. Worn & Wound: 34 jewels, hand winding, hacking, date, column wheel and vertical clutch, 45 hours, 28,800 bph. Caliber Corner forum post: central chronograph seconds, 30-minute counter at 9, 12-hour counter at 6, running small seconds at 3, date, "more than 45 hours", Ø28.60mm, 7.62mm high, static accuracy -15/+25 s/day; a three-pronged hammer resets all counters together. No factory sheet for the NE88 was fetched; the dimensions match the NE86A factory sheet. Tier set to upper with the NE86.
Watches with the Seiko NE88A
| Watch | Price from | Movement | Dia. mm | Thick mm | Crystal | Micro-adjust |
|---|---|---|---|---|---|---|
Timefactors Smiths Vanguard PRS-32 |
$1,020 | Seiko NE88A | 40 | 16 | Sapphire | — |
Ocean Crawler Shipwreck Hunter Chronograph |
$1,599 | Seiko NE88A | 43 | 16 | Sapphire | — |

