Seiko Cal. 6642 - 312

The Seiko 6642-312 represents an important milestone in Seiko's 1973 lineup. It features a White dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-77fff45931cf]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1973

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