Seiko Cal. 5240 - 474

The Seiko 5240-474 represents an important milestone in Seiko's 1991 lineup. Powered by the 5240 caliber with 17j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-915e8485c57a]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1991

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