Seiko Cal. 6647 - 478

The Seiko 6647-478 represents an important milestone in Seiko's 1986 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-6b81bc16e709]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1986

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