Seiko Cal. 4556 - 192

This Spring Drive model from 1968 features a 41mm Gold-Plated case. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-aa02d5b0746d]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1968

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