Seiko Cal. 5284 - 820

The Seiko 5284-820 represents an important milestone in Seiko's 1980 lineup. Powered by the 5284 caliber with 17j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-1d0fc25e6772]

Also known as: Samurai, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1980

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