Seiko Cal. 4550 - 426

The 4550-426 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4550 caliber with 19j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-5b288f9dcbfc]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1987

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