Seiko Cal. 4446 - 540

The Seiko 4446-540 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ee45300b0db7]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1974

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