Seiko Cal. 7178 - 590

The Seiko 7178-590 represents an important milestone in Seiko's 1976 lineup. Powered by the 7178 caliber with 30j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-38b90e4da89a]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1976

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