Seiko Cal. 5240 - 280

The Seiko 5240-280 represents an important milestone in Seiko's 1967 lineup. Powered by the 5240 caliber with 33j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-1a04c3ddb78a]

Also known as: Turtle, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1967

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