Seiko Cal. 4437 - 697

The Seiko 4437-697 represents an important milestone in Seiko's 1985 lineup. With its 21mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-afb0ec2f7c72]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1985

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