Seiko Cal. 6648 - 640

The Seiko 6648-640 represents an important milestone in Seiko's 1989 lineup. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-5eab43830dcf]

Also known as: Shogun

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1989

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