Seiko Cal. 5280 - 400

The Seiko 5280-400 represents an important milestone in Seiko's 1973 lineup. Powered by the 5280 caliber with 36j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-b7f284b6b8ba]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1973

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