Seiko Cal. 6612 - 521

The Seiko 6612-521 represents an important milestone in Seiko's 1972 lineup. Powered by the 6612 caliber with 31j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-34a153d78cdc]

Also known as: Tuna, World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1972

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