Seiko Cal. 6331 - 698

The Seiko 6331-698 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-622d1c33cf0c]

Also known as: Samurai, Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1969

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