Seiko Cal. 4437 - 441

The Seiko 4437-441 represents an important milestone in Seiko's 1985 lineup. Powered by the 4437 caliber with 17j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-0800e5ffe8ba]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1985

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