Seiko Cal. 6631 - 608

This Automatic model from 1970 features a 39mm Two-Tone case. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-5eb0df7280fd]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1970

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