Seiko Cal. 4480 - 858

The 4480-858 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4480 caliber with 30j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-580bc9ac8f36]

Also known as: Turtle, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1985

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