Seiko Cal. 5278 - 475

Released in 1979, the Cal. 5278 with design code 475 was part of Seiko's domestic market collection. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-cb97aaf3efd7]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1979

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