Seiko Cal. 6631 - 814

The Seiko 6631-814 represents an important milestone in Seiko's 1994 lineup. Powered by the 6631 caliber with 33j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-327a03796f2d]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1994

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