Seiko Cal. 6664 - 337

The Seiko 6664-337 represents an important milestone in Seiko's 1965 lineup. Powered by the 6664 caliber with 33j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-c1a99792a2d4]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1965

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