Seiko Cal. 6616 - 143

The Seiko 6616-143 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-492094c49ce2]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1965

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