Seiko Cal. 6649 - 527

The 6649-527 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6649 caliber with 22j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-fb090de30ba0]

Also known as: Monster, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1998

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