Seiko Cal. 5226 - 540

The Seiko 5226-540 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-5f582a5f37f1]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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