Seiko Cal. 6648 - 390

The 6648-390 is a sought-after Kinetic piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-6a2d64c41bc0]

Also known as: Tuna, World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1987

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