Seiko Cal. 5278 - 135

The Seiko 5278-135 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-52f7914f19c8]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

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