Seiko Cal. 4437 - 637

This Hand-Winding model from 1989 features a 35mm Stainless Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-1354c4ced8ba]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1989

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