Seiko Cal. 4439 - 495

The Seiko 4439-495 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-beaa7037ab75]

Also known as: Monster, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

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