Seiko Cal. 5681 - 667

The Seiko 5681-667 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-6e5f0689e276]

Also known as: Emperor, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1968

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