Seiko Cal. 4558 - 378

The Seiko 4558-378 represents an important milestone in Seiko's 1988 lineup. Powered by the 4558 caliber with 33j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-300e07f98bf3]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1988

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