Seiko Cal. 4556 - 650

The Seiko 4556-650 represents an important milestone in Seiko's 1978 lineup. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-2c5a6dad8c4b]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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