Seiko Cal. 5240 - 690

The Seiko 5240-690 represents an important milestone in Seiko's 1991 lineup. Powered by the 5240 caliber with 27j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-d94c2d1e2f4c]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1991

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