Seiko NE57A

Seiko Instruments (TMI) · Automatic · Entry tier · Family: Seiko 4R57

Factory specs

Caliber
NE57
Made in
Japan
Frequency
21,600 bph (3 Hz)
Power reserve
41 h
Jewels
29
Hacking
Yes
Hand winding
Yes
Accuracy
-20 / +40 s/day
Diameter
27.4 mm
Height
6.63 mm
Functions
Hours, Minutes, Seconds, Date, Power reserve

Seiko Instruments' (TMI) version of Seiko's 4R57, sold to other brands since at least 2017: automatic with central seconds, a pointer date subdial at 6 and a power-reserve indicator (from about 8:30 to 1:30 on the SII drawings). Caliber Corner: 12 lignes, Ø27.4mm (casing diameter 29.36mm), 6.63mm high, 29 jewels, 21,600 vph, about 41 hours, hand winding, hacking, Diashock, accuracy -20 to +40 s/day. Tier "entry" as a member of the NH3x/4R base family with added indicators.

Watches with the Seiko NE57A

WatchPrice fromMovementDia. mmThick mmCrystalMicro-adjust
G. Gerlach Marshal Piłsudski $745 Seiko NE57A 43 — Sapphire —

Sources