Seiko Cal. 5680 - 436

The Seiko 5680-436 represents an important milestone in Seiko's 1978 lineup. With its 22mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-fc436745efef]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1978

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