Seiko Cal. 5642 - 410

The Seiko 5642-410 represents an important milestone in Seiko's 1967 lineup. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-8e5ec98e4e7d]

Also known as: Bullhead, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1967

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