Seiko Cal. 4443 - 680

The Seiko 4443-680 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-813bccf47de5]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1979

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