Seiko Cal. 6666 - 671

This Automatic model from 1977 features a 39mm Two-Tone case. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-34084a5c219d]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1977

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