Seiko Cal. 5668 - 691

The Seiko 5668-691 represents an important milestone in Seiko's 1968 lineup. It features a Champagne dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-70d05a5b157d]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1968

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