Seiko Cal. 5660 - 254

The Seiko 5660-254 represents an important milestone in Seiko's 1967 lineup. It features a Cream dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-4daf75499b84]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1967

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