Seiko Cal. 5680 - 304

Released in 1968, the Cal. 5680 with design code 304 was part of Seiko's domestic market collection. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-eab16cc71cff]

Also known as: Turtle, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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