Seiko Cal. 5663 - 278

Released in 1967, the Cal. 5663 with design code 278 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-f3fcd4ef5877]

Also known as: Monster, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1967

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