Seiko Cal. 7140 - 397

The Seiko 7140-397 represents an important milestone in Seiko's 1979 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-f8448a852ce2]

Also known as: Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1979

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