Seiko Cal. 5663 - 376

The Seiko 5663-376 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-76357cf58d15]

Also known as: Samurai, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1973

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