Seiko Cal. 4439 - 503

The Seiko 4439-503 represents an important milestone in Seiko's 1996 lineup. Powered by the 4439 caliber with 19j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-1b9180bb5c43]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1996

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