Seiko Cal. 6631 - 347

Released in 1997, the Cal. 6631 with design code 347 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-8d01fb886cb5]

Also known as: Turtle, Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1997

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