Seiko Cal. 7178 - 840

The Seiko 7178-840 represents an important milestone in Seiko's 1987 lineup. Powered by the 7178 caliber with 21j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-7d3ca8055882]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1987

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