Seiko Cal. 6257 - 714

The Seiko 6257-714 represents an important milestone in Seiko's 1971 lineup. Powered by the 6257 caliber with 24j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-c6779c43d0d4]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1971

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