Seiko Cal. 5254 - 826

This Spring Drive model from 1970 features a 40mm Hardlex-Coated Steel case. With its 20mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-a987eb4b7c84]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1970

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