Seiko Cal. 4550 - 680

The 4550-680 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-f407c8d741fc]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

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