Seiko Cal. 5268 - 540

The Seiko 5268-540 represents an important milestone in Seiko's 1975 lineup. Powered by the 5268 caliber with 18j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-1d77a665b0af]

Also known as: Tuna, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1975

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