Seiko Cal. 5285 - 623

The Seiko 5285-623 represents an important milestone in Seiko's 1990 lineup. Powered by the 5285 caliber with 20j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-9b30ed8bbc0e]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1990

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