Seiko Cal. 5278 - 845

Released in 1980, the Cal. 5278 with design code 845 was part of Seiko's domestic market collection. With its 20mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-b2da6eee9900]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1980

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