Seiko Cal. 4550 - 285

The Seiko 4550-285 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-c5368e3e5a04]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

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