Seiko Cal. 5278 - 868

Released in 1965, the Cal. 5278 with design code 868 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-4fb1079fdf08]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1965

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