Seiko Cal. 5642 - 540

The Seiko 5642-540 represents an important milestone in Seiko's 1965 lineup. With its 22mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-3fa7db00a6ed]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1965

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