Seiko Cal. 5243 - 636

The Seiko 5243-636 represents an important milestone in Seiko's 1974 lineup. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-23258e66a097]

Also known as: Samurai, Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1974

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