Seiko Cal. 4478 - 767

Released in 1983, the Cal. 4478 with design code 767 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-7e326981b336]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1983

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