Seiko Cal. 7091 - 878

The Seiko 7091-878 represents an important milestone in Seiko's 1984 lineup. Powered by the 7091 caliber with 17j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-7ed3757b4bab]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1984

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