Seiko Cal. 4555 - 828

The Seiko 4555-828 represents an important milestone in Seiko's 1988 lineup. Powered by the 4555 caliber with 30j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-f47cf42bb430]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1988

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