Seiko Cal. 5668 - 637

This Spring Drive model from 1973 features a 46mm Two-Tone case. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-476cc41f29c9]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1973

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