Seiko Cal. 7155 - 878

The Seiko 7155-878 represents an important milestone in Seiko's 1991 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-dab7894c3776]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1991

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