Seiko NE88A

Seiko Instruments (TMI) · Automatic · Upper tier · Family: Seiko NE86 chrono

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

WatchPrice fromMovementDia. mmThick mmCrystalMicro-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 —

Sources