Seiko Cal. 4550 - 256

The Seiko 4550-256 represents an important milestone in Seiko's 1983 lineup. Powered by the 4550 caliber with 30j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-35e2e1cb9b59]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1983

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