Seiko Cal. 7198 - 257

The 7198-257 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7198 caliber with 22j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-82c6b014a007]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1985

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