Seiko Cal. 5637 - 152

The Seiko 5637-152 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-43871b1d1c11]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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