Seiko Cal. 7157 - 407

Released in 1992, the Cal. 7157 with design code 407 was part of Seiko's domestic market collection. Powered by the 7157 caliber with 21j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-3c8fa8bd55fe]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1992

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