Seiko Cal. 6632 - 456

The Seiko 6632-456 represents an important milestone in Seiko's 1968 lineup. It features a Green dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-e67f363de4d4]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1968

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