Seiko Cal. 4438 - 285

The 4438-285 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-781b0e034d5c]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1997

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