Seiko Cal. 5686 - 678

The Seiko 5686-678 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-e6465cc34e84]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1972

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