Seiko Cal. 4440 - 737

This Quartz model from 1983 features a 38mm PVD Black case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f6196204b6ca]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1983

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