Seiko Cal. 6631 - 462

The Seiko 6631-462 represents an important milestone in Seiko's 1966 lineup. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-98b62a334f02]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1966

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