Seiko Cal. 5221 - 663

The Seiko 5221-663 represents an important milestone in Seiko's 1992 lineup. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-b19a4e35a9c5]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1992

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