Seiko Cal. 4442 - 400

The Seiko 4442-400 represents an important milestone in Seiko's 1965 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-173ae11769ea]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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