Seiko Cal. 5648 - 530

The 5648-530 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-081ac423e728]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1966

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