Seiko Cal. 4550 - 839

The Seiko 4550-839 represents an important milestone in Seiko's 1989 lineup. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-1b436618bd84]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1989

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