Seiko Cal. 5630 - 680

The Seiko 5630-680 represents an important milestone in Seiko's 1966 lineup. Powered by the 5630 caliber with 26j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-05de9f191d4f]

Also known as: Turtle, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1966

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