Seiko Cal. 5240 - 920

The Seiko 5240-920 represents an important milestone in Seiko's 1967 lineup. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-b7c4b9d3c2cd]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1967

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