Seiko Cal. 6627 - 539

The Seiko 6627-539 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-be3c02de2669]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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