Seiko Cal. 5240 - 985

This Spring Drive model from 1969 features a 46mm Stainless Steel case. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4ebe1d31869f]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1969

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