Seiko Cal. 4437 - 304

The Seiko 4437-304 represents an important milestone in Seiko's 1979 lineup. Powered by the 4437 caliber with 19j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-c6b8a8599226]

Also known as: Rally, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1979

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