Seiko Cal. 4437 - 981

The Seiko 4437-981 represents an important milestone in Seiko's 1972 lineup. Powered by the 4437 caliber with 34j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-b3e0fe966ae7]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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