Seiko Cal. 5637 - 477

The Seiko 5637-477 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c9022f230d15]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1970

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