Seiko Cal. 5285 - 505

The 5285-505 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5285 caliber with 36j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-60ef67ccd519]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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