Seiko Cal. 4550 - 899

This Automatic model from 1971 features a 45mm Two-Tone case. With its 20mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-9950d1101dd4]

Also known as: Sea Horse, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1971

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