Seiko Cal. 5637 - 851

The 5637-851 is a sought-after Quartz piece from Seiko's golden era. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ab09d38b2c05]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1972

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