Seiko Cal. 4550 - 154

This Spring Drive model from 1979 features a 44mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-eccec48ab743]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1979

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