Seiko Cal. 7156 - 800

The Seiko 7156-800 represents an important milestone in Seiko's 1973 lineup. Powered by the 7156 caliber with 30j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-ef47c32aa18a]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1973

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