Seiko Cal. 5285 - 104

The Seiko 5285-104 represents an important milestone in Seiko's 1979 lineup. Powered by the 5285 caliber with 18j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-a2eb9214ee95]

Also known as: Monster, Shogun

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1979

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