Seiko Cal. 5270 - 280

The 5270-280 is a sought-after Solar piece from Seiko's golden era. Powered by the 5270 caliber with 28j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-1a32c46df733]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1975

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