Seiko Cal. 6140 - 633

The Seiko 6140-633 represents an important milestone in Seiko's 1973 lineup. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-a762ad7ef06b]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1973

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