Seiko Cal. 5642 - 533

The Seiko 5642-533 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-74ac2eee73cd]

Also known as: Turtle, Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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