Seiko Cal. 6648 - 104

The Seiko 6648-104 represents an important milestone in Seiko's 1985 lineup. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-8adbf52cc93f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1985

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