Seiko Cal. 7155 - 823

The 7155-823 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-61a844742eb5]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1971

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