Seiko Cal. 5680 - 890

The Seiko 5680-890 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-c6de9328111e]

Also known as: Pogue, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1968

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