Seiko Cal. 5278 - 975

The 5278-975 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-33a437ba205f]

Also known as: Helmet, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

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