Seiko Cal. 5240 - 998

Released in 1978, the Cal. 5240 with design code 998 was part of Seiko's domestic market collection. Powered by the 5240 caliber with 19j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-bfdccd88df68]

Also known as: Tuna, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1978

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