Seiko Cal. 6649 - 887

The 6649-887 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6649 caliber with 27j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-ce08156a1fbd]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1984

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