Seiko Cal. 4478 - 593

The Seiko 4478-593 represents an important milestone in Seiko's 1993 lineup. Powered by the 4478 caliber with 25j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-4f6c8e207b79]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1993

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