Seiko Cal. 5278 - 717

The Seiko 5278-717 represents an important milestone in Seiko's 1984 lineup. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-447b0381d7b9]

Also known as: Tuna, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1984

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