Seiko Cal. 6616 - 590

The Seiko 6616-590 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-33fce1cb2135]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1972

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