Seiko Cal. 4550 - 447

The Seiko 4550-447 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-cf39b136bf3c]

Also known as: Monster, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1972

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