Seiko Cal. 6657 - 292

The Seiko 6657-292 represents an important milestone in Seiko's 1965 lineup. Powered by the 6657 caliber with 25j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-14be2deb8e4f]

Also known as: Bellmatic, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1965

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