Seiko Cal. 4442 - 337

The Seiko 4442-337 represents an important milestone in Seiko's 1966 lineup. Powered by the 4442 caliber with 20j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-e4693af46c92]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1966

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