Seiko Cal. 6257 - 990

This Solar model from 1977 features a 41mm PVD Black case. Powered by the 6257 caliber with 26j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-89659af10eda]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

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