Seiko Cal. 5680 - 452

The Seiko 5680-452 represents an important milestone in Seiko's 1975 lineup. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-2025a8825a24]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1975

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