Seiko Cal. 6643 - 515

The Seiko 6643-515 represents an important milestone in Seiko's 1980 lineup. It features a Cream dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-1269ebb78ba9]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1980

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