Seiko Cal. 6639 - 333

The Seiko 6639-333 represents an important milestone in Seiko's 1966 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-e51b276904e7]

Also known as: Silverwave, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1966

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