Seiko Cal. 6633 - 427

The Seiko 6633-427 represents an important milestone in Seiko's 1983 lineup. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-3c90311807aa]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1983

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