Seiko Cal. 6280 - 537

The Seiko 6280-537 represents an important milestone in Seiko's 1971 lineup. Powered by the 6280 caliber with 28j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-f1f993a179ec]

Also known as: Tuna, Pogue

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1971

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