Seiko Cal. 7157 - 186

The Seiko 7157-186 represents an important milestone in Seiko's 1976 lineup. Powered by the 7157 caliber with 30j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-4a40134f6e65]

Also known as: Rally, Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1976

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