Seiko Cal. 6661 - 400

This Spring Drive model from 1969 features a 38mm Titanium case. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-a0655960a42b]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1969

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