Seiko Cal. 6631 - 295

The Seiko 6631-295 represents an important milestone in Seiko's 1996 lineup. Powered by the 6631 caliber with 28j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-52c9ac817912]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1996

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