Seiko Cal. 5663 - 278

The Seiko 5663-278 represents an important milestone in Seiko's 1965 lineup. It features a Silver dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-dc65796cb5d2]

Also known as: Rally, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1965

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