Seiko Cal. 6642 - 450

Released in 1969, the Cal. 6642 with design code 450 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-bd904de00042]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1969

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