Seiko Cal. 4550 - 488

The Seiko 4550-488 represents an important milestone in Seiko's 1973 lineup. Powered by the 4550 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-e2cc2ca309cd]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1973

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