Seiko Cal. 4555 - 770

The 4555-770 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-fb821ff5e201]

Also known as: Sea Horse, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1977

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