Seiko Cal. 3857 - 191

This Solar model from 1990 features a 44mm PVD Black case. Powered by the 3857 caliber with 21j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-5143660b7533]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1990

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