Seiko Cal. 4550 - 510

The 4550-510 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-f3ceb9c4ef57]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1967

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