Seiko Cal. 5285 - 390

Released in 1985, the Cal. 5285 with design code 390 was part of Seiko's domestic market collection. Powered by the 5285 caliber with 17j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-844830309363]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1985

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