Seiko Cal. 6630 - 337

The Seiko 6630-337 represents an important milestone in Seiko's 1982 lineup. Powered by the 6630 caliber with 29j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-f37d9c2a13a6]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1982

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