Seiko Cal. 6631 - 955

The Seiko 6631-955 represents an important milestone in Seiko's 1967 lineup. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-9eb3215cfe04]

Also known as: Monster, Silverwave

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1967

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