Seiko Cal. 4413 - 689

The Seiko 4413-689 represents an important milestone in Seiko's 1971 lineup. Powered by the 4413 caliber with 36j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-f91f4dab3a28]

Also known as: Tuna, Sea Horse

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1971

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