Seiko Cal. 4550 - 660

The Seiko 4550-660 represents an important milestone in Seiko's 1976 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ba8ca2f23b33]

Also known as: Turtle, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

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