Seiko Cal. 4550 - 149

This Hand-Winding model from 1968 features a 46mm Two-Tone case. With its 21mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-71df3204df79]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1968

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