Seiko Cal. 6639 - 699

The Seiko 6639-699 represents an important milestone in Seiko's 1986 lineup. Powered by the 6639 caliber with 22j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-4fe7052b91ff]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1986

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