Seiko Cal. 7147 - 240

The Seiko 7147-240 represents an important milestone in Seiko's 1973 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ed87c225c477]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1973

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