Seiko Cal. 6642 - 787

The 6642-787 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-cb12176025db]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1966

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