Seiko Cal. 6663 - 802

The Seiko 6663-802 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-6646290f8b6e]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1978

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