Seiko Cal. 6648 - 487

The Seiko 6648-487 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-9a3b2d846783]

Also known as: Navigator, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1985

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