Seiko Cal. 5637 - 340

The Seiko 5637-340 represents an important milestone in Seiko's 1999 lineup. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-845e7e69e569]

Also known as: Pogue

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1999

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