Seiko Cal. 7140 - 947

The Seiko 7140-947 represents an important milestone in Seiko's 1988 lineup. Powered by the 7140 caliber with 21j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-ffdd02e6ab83]

Also known as: Turtle, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1988

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