Seiko Cal. 4556 - 739

The 4556-739 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 90m of water resistance. [seikata-wm-ce30782db529]

Also known as: Shogun, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1978

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