Seiko Cal. 4448 - 230

The Seiko 4448-230 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-acb7ba8c36a6]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1987

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