Seiko Cal. 7157 - 635

Released in 1972, the Cal. 7157 with design code 635 was part of Seiko's domestic market collection. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-6bef0bf14528]

Also known as: Samurai, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1972

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