Seiko Cal. 5255 - 770

The Seiko 5255-770 represents an important milestone in Seiko's 1971 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-7e1829ab5855]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1971

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