Seiko Cal. 6631 - 109

The Seiko 6631-109 represents an important milestone in Seiko's 1997 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-cd8fe89abbdc]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1997

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