Seiko Cal. 4497 - 636

This Automatic model from 1983 features a 37mm Stainless Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-5684c111e082]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1983

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