Seiko Cal. 4437 - 669

The Seiko 4437-669 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-64634f0fe4fd]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1975

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