Seiko Cal. 4437 - 598

The Seiko 4437-598 represents an important milestone in Seiko's 1994 lineup. Powered by the 4437 caliber with 30j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-4cbf42bb42fa]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1994

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